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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_F721D094648E4074840143D857B6D100" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityAxis_C82B1A133C2E862D10BF43D857B65558_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis_C82B1A133C2E862D10BF43D857B65558" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_C82B1A133C2E862D10BF43D857B65558" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_6D1C1390B3C782E2837B43D857B626ED_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_6D1C1390B3C782E2837B43D857B626ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_6D1C1390B3C782E2837B43D857B626ED_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain_6D1C1390B3C782E2837B43D857B626ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_6D1C1390B3C782E2837B43D857B626ED" xlink:type="locator" />
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    <link:label id="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5_terseLabel_en-US" xlink:label="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Vehicles [Member]</link:label>
    <link:label id="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5_label_en-US" xlink:label="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicles [Member]</link:label>
    <link:label id="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5_documentation_en-US" xlink:label="lab_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New vehicles.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NewVehiclesMember" xlink:label="loc_gpi_NewVehiclesMember_B84816EC00F7BE1A159243D857B663E5" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101_terseLabel_en-US" xlink:label="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used Vehicles [Member]</link:label>
    <link:label id="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101_label_en-US" xlink:label="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicles [Member]</link:label>
    <link:label id="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101_documentation_en-US" xlink:label="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Used vehicles.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehiclesMember" xlink:label="loc_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:to="lab_gpi_UsedVehiclesMember_C7D65F329A92313962A643D857B61101" xlink:type="arc" />
    <link:label id="lab_gpi_RentalVehicleCreditFacilityMember_FC748E8572693E49879543D857B6C6B1_terseLabel_en-US" xlink:label="lab_gpi_RentalVehicleCreditFacilityMember_FC748E8572693E49879543D857B6C6B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental Vehicle Credit Facility [Member]</link:label>
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    <link:label id="lab_gpi_RentalVehicleCreditFacilityMember_FC748E8572693E49879543D857B6C6B1_documentation_en-US" xlink:label="lab_gpi_RentalVehicleCreditFacilityMember_FC748E8572693E49879543D857B6C6B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rental vehicle credit facility.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_RentalVehicleCreditFacilityMember" xlink:label="loc_gpi_RentalVehicleCreditFacilityMember_FC748E8572693E49879543D857B6C6B1" xlink:type="locator" />
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    <link:label id="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517_terseLabel_en-US" xlink:label="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FMCC Facility [Member]</link:label>
    <link:label id="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517_label_en-US" xlink:label="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FMCC Facility [Member]</link:label>
    <link:label id="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517_documentation_en-US" xlink:label="lab_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">FMCC facility.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_FMCCFacilityMember" xlink:label="loc_gpi_FMCCFacilityMember_E625986865A39AFFFD3E43D857B6A517" xlink:type="locator" />
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    <link:label id="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A_terseLabel_en-US" xlink:label="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other and Rental Vehicles [Member]</link:label>
    <link:label id="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A_label_en-US" xlink:label="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other and Rental Vehicles [Member]</link:label>
    <link:label id="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A_documentation_en-US" xlink:label="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other and rental vehicles.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_OtherAndRentalVehiclesMember" xlink:label="loc_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:to="lab_gpi_OtherAndRentalVehiclesMember_13A11C559DF029DA75EE43D857B61F7A" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_388471F075F929012FE143D857B62894_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_388471F075F929012FE143D857B62894" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_388471F075F929012FE143D857B62894_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_388471F075F929012FE143D857B62894" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_388471F075F929012FE143D857B62894" xlink:type="locator" />
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    <link:label id="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173_terseLabel_en-US" xlink:label="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan Notes Payable Credit Facility</link:label>
    <link:label id="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173_label_en-US" xlink:label="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floorplan Notes Payable Credit Facility</link:label>
    <link:label id="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173_documentation_en-US" xlink:label="lab_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts payable for the purchase of specific new, used and rental vehicle inventory whereby financing is provided by the Company's revolving syndicated credit arrangement (including the offset amount). Payments on the floorplan notes payable are generally due as the vehicles are sold.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_FloorplanNotesPayableCreditFacility" xlink:label="loc_gpi_FloorplanNotesPayableCreditFacility_2E6C13A306A3B0A0492043D857B6C173" xlink:type="locator" />
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    <link:label id="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB_terseLabel_en-US" xlink:label="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan Offset</link:label>
    <link:label id="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB_label_en-US" xlink:label="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floorplan Offset</link:label>
    <link:label id="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB_documentation_en-US" xlink:label="lab_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Floorplan offset.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_FloorplanOffset" xlink:label="loc_gpi_FloorplanOffset_1D21E891D1361AF4890243D857B6C8FB" xlink:type="locator" />
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    <link:label id="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3_terseLabel_en-US" xlink:label="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other floorplan notes payable</link:label>
    <link:label id="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3_label_en-US" xlink:label="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other floorplan notes payable</link:label>
    <link:label id="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3_documentation_en-US" xlink:label="lab_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other floorplan notes payable</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Otherfloorplannotespayable" xlink:label="loc_gpi_Otherfloorplannotespayable_E92BB5A23BA7D907D24843D857B677B3" xlink:type="locator" />
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    <link:label id="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C_terseLabel_en-US" xlink:label="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volkswagen [Member]</link:label>
    <link:label id="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C_label_en-US" xlink:label="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volkswagen [Member]</link:label>
    <link:label id="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C_documentation_en-US" xlink:label="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volkswagen</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_VolkswagenMember" xlink:label="loc_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:to="lab_gpi_VolkswagenMember_A025E17FB4D75C3DE74849069008404C" xlink:type="arc" />
    <link:label id="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E_terseLabel_en-US" xlink:label="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Manufacturer [Line Items]</link:label>
    <link:label id="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E_label_en-US" xlink:label="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturer [Line Items]</link:label>
    <link:label id="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E_documentation_en-US" xlink:label="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Line Items] for Manufacturer [Table]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_ManufacturerLineItems" xlink:label="loc_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:to="lab_gpi_ManufacturerLineItems_95DAFAEFABA83FCE50DA49069008013E" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for Legal Settlements</link:label>
    <link:label id="lab_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727_label_en-US" xlink:label="lab_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Legal Settlements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsForLegalSettlements" xlink:label="loc_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727" xlink:to="lab_us-gaap_PaymentsForLegalSettlements_5CB21DB9CDF4F14C266849069008C727" xlink:type="arc" />
    <link:label id="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167_terseLabel_en-US" xlink:label="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Volkswagen legal claims</link:label>
    <link:label id="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167_label_en-US" xlink:label="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Volkswagen legal claims</link:label>
    <link:label id="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167_documentation_en-US" xlink:label="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Volkswagen legal claims</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Volkswagenlegalclaims" xlink:label="loc_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:to="lab_gpi_Volkswagenlegalclaims_4F6D9D43AF0CB859CE19490690084167" xlink:type="arc" />
    <link:label id="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E_terseLabel_en-US" xlink:label="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New vehicle retail unit sales</link:label>
    <link:label id="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E_label_en-US" xlink:label="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New vehicle unit sales</link:label>
    <link:label id="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E_documentation_en-US" xlink:label="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New vehicle unit sales</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Newvehicleunitsales" xlink:label="loc_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:to="lab_gpi_Newvehicleunitsales_E849CB83C64B70F6F2E449069008863E" xlink:type="arc" />
    <link:label id="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB_terseLabel_en-US" xlink:label="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Volkswagen dealers</link:label>
    <link:label id="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB_label_en-US" xlink:label="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Volkswagen dealers</link:label>
    <link:label id="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB_documentation_en-US" xlink:label="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Volkswagen dealers</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NumberofVolkswagendealers" xlink:label="loc_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:to="lab_gpi_NumberofVolkswagendealers_F806CBDE98F3701B687C49069008F6CB" xlink:type="arc" />
    <link:label id="lab_gpi_NumberOfDealerships_F916BE306BE4F33535C849069009EBF5_terseLabel_en-US" xlink:label="lab_gpi_NumberOfDealerships_F916BE306BE4F33535C849069009EBF5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number Of Dealerships</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NumberOfDealerships" xlink:label="loc_gpi_NumberOfDealerships_F916BE306BE4F33535C849069009EBF5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_NumberOfDealerships_F916BE306BE4F33535C849069009EBF5" xlink:to="lab_gpi_NumberOfDealerships_F916BE306BE4F33535C849069009EBF5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Legal Settlements</link:label>
    <link:label id="lab_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C_label_en-US" xlink:label="lab_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Legal Settlements</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromLegalSettlements" xlink:label="loc_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C" xlink:to="lab_us-gaap_ProceedsFromLegalSettlements_75958A7D882CE9E1F52249069009962C" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentReportingAbstract_43E9255306E312E6216243D8566A52EE_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_43E9255306E312E6216243D8566A52EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_43E9255306E312E6216243D8566A52EE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract_43E9255306E312E6216243D8566A52EE" xlink:to="lab_us-gaap_SegmentReportingAbstract_43E9255306E312E6216243D8566A52EE" xlink:type="arc" />
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_E1A2DABE34B3D0CDE8D843D8566A9E06" xlink:type="arc" />
    <link:label id="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4_terseLabel_en-US" xlink:label="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effected [Axis]</link:label>
    <link:label id="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4_label_en-US" xlink:label="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effected [Axis]</link:label>
    <link:label id="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4_documentation_en-US" xlink:label="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax effected [Axis]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_TaxeffectedAxis" xlink:label="loc_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:to="lab_gpi_TaxeffectedAxis_BB447440A10AEA23EEC143D8566BD6A4" xlink:type="arc" />
    <link:label id="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C_terseLabel_en-US" xlink:label="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tax effected [Domain]</link:label>
    <link:label id="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C_label_en-US" xlink:label="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tax effected [Domain]</link:label>
    <link:label id="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C_documentation_en-US" xlink:label="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Tax effected [Axis]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_TaxeffectedDomain" xlink:label="loc_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:to="lab_gpi_TaxeffectedDomain_C17FF14CD2F5E004F64D43D8566BD18C" xlink:type="arc" />
    <link:label id="lab_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82_terseLabel_en-US" xlink:label="lab_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-tax [Member]</link:label>
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    <link:label id="lab_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82_documentation_en-US" xlink:label="lab_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pre-tax [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PretaxMember" xlink:label="loc_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82" xlink:to="lab_gpi_PretaxMember_3847C99D91AD0CF0308543D8566B2C82" xlink:type="arc" />
    <link:label id="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064_terseLabel_en-US" xlink:label="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net of taxes [Member]</link:label>
    <link:label id="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064_label_en-US" xlink:label="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net of taxes [Member]</link:label>
    <link:label id="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064_documentation_en-US" xlink:label="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net of taxes [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NetoftaxesMember" xlink:label="loc_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:to="lab_gpi_NetoftaxesMember_EAB638A29DE5CFBF42C843D8566BC064" xlink:type="arc" />
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    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_0056532D7A5A6E6EC3AF43D8566BE2FB_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis_0056532D7A5A6E6EC3AF43D8566BE2FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
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    <link:label id="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B_terseLabel_en-US" xlink:label="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New vehicle retail sales</link:label>
    <link:label id="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B_label_en-US" xlink:label="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicle Retail Sales</link:label>
    <link:label id="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B_documentation_en-US" xlink:label="lab_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate revenue recognized during the period derived from new vehicles sold to retail customers. Revenues from new vehicle retail sales are recognized upon completion of the sale and delivery to the customer. Conditions to completing a sale include having an agreement with the customer, including pricing, and the sales price must be reasonably expected to be collected.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NewVehicleRetailSales" xlink:label="loc_gpi_NewVehicleRetailSales_03C85801F85E8BE079F543D85671536B" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529_terseLabel_en-US" xlink:label="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle retail sales</link:label>
    <link:label id="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529_label_en-US" xlink:label="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Retail Sales</link:label>
    <link:label id="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529_documentation_en-US" xlink:label="lab_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate revenue recognized during the period derived from used vehicles sold to retail customers. Revenues from new vehicle retail sales are recognized upon completion of the sale and delivery to the customer. Conditions to completing a sale include having an agreement with the customer, including pricing, and the sales price must be reasonably expected to be collected.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleRetailSales" xlink:label="loc_gpi_UsedVehicleRetailSales_5CC093A8439E65EB55A343D856712529" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2_terseLabel_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle wholesale sales</link:label>
    <link:label id="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2_label_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Wholesale Sales</link:label>
    <link:label id="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2_documentation_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate revenue recognized during the period derived from used vehicles sold to wholesale customers. Revenues from new vehicle retail sales are recognized upon completion of the sale and delivery to the customer. Conditions to completing a sale include having an agreement with the customer, including pricing, and the sales price must be reasonably expected to be collected.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleWholesaleSales" xlink:label="loc_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:to="lab_gpi_UsedVehicleWholesaleSales_3E7DB9378A259AC2DD3E43D8567135C2" xlink:type="arc" />
    <link:label id="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C_terseLabel_en-US" xlink:label="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Parts and service</link:label>
    <link:label id="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C_label_en-US" xlink:label="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parts And Service Sales</link:label>
    <link:label id="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C_documentation_en-US" xlink:label="lab_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate revenue recognized during the period derived from parts sold to retail and wholesale customers, as well as performance of vehicle services and repairs. Revenues from new vehicle retail sales are recognized upon completion of the sale and delivery to the customer. Conditions to completing a sale include having an agreement with the customer, including pricing, and the sales price must be reasonably expected to be collected.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PartsAndServiceSales" xlink:label="loc_gpi_PartsAndServiceSales_B3DD4FE16BE92F2B098F43D856713B4C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinancialServicesRevenue_DF83DFD01FA03A07B3D743D85671EC47_label_en-US" xlink:label="lab_us-gaap_FinancialServicesRevenue_DF83DFD01FA03A07B3D743D85671EC47" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Services Revenue</link:label>
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    <link:label id="lab_us-gaap_AssetImpairmentCharges_720E97F5DA8B76A1591F43D8567152ED_terseLabel_en-US" xlink:label="lab_us-gaap_AssetImpairmentCharges_720E97F5DA8B76A1591F43D8567152ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ASSET IMPAIRMENTS</link:label>
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    <link:label id="lab_gpi_FloorPlanInterestExpense_6D2863099EC73998403343D8567153FA_documentation_en-US" xlink:label="lab_gpi_FloorPlanInterestExpense_6D2863099EC73998403343D8567153FA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest expense incurred on borrowings under the floorplan line of the credit facility and arrangements with vehicle manufacturer affiliates for the financing of specific new, used and rental vehicle inventory. Interest expense also includes the net impact of interest rate swap settlements during the period, which are designed to hedge exposure to variable interest rates.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_FloorPlanInterestExpense" xlink:label="loc_gpi_FloorPlanInterestExpense_6D2863099EC73998403343D8567153FA" xlink:type="locator" />
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    <link:label id="lab_gpi_NewVehicleRetailSales_775C6F53C267881A3C6843D858D54829_verboseLabel_en-US" xlink:label="lab_gpi_NewVehicleRetailSales_775C6F53C267881A3C6843D858D54829" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New vehicle retail sales</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NewVehicleRetailSales" xlink:label="loc_gpi_NewVehicleRetailSales_775C6F53C267881A3C6843D858D54829" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehicleRetailSales_B19CB445DD8FB270ADC243D858D5C6E5_verboseLabel_en-US" xlink:label="lab_gpi_UsedVehicleRetailSales_B19CB445DD8FB270ADC243D858D5C6E5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle retail sales</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleRetailSales" xlink:label="loc_gpi_UsedVehicleRetailSales_B19CB445DD8FB270ADC243D858D5C6E5" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehicleWholesaleSales_04AFB95E70CD1FE98C1443D858D5F2D4_verboseLabel_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSales_04AFB95E70CD1FE98C1443D858D5F2D4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle wholesale sales</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleWholesaleSales" xlink:label="loc_gpi_UsedVehicleWholesaleSales_04AFB95E70CD1FE98C1443D858D5F2D4" xlink:type="locator" />
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    <link:label id="lab_gpi_PartsAndServiceSales_703DACEA26D44752274F43D858D581F0_verboseLabel_en-US" xlink:label="lab_gpi_PartsAndServiceSales_703DACEA26D44752274F43D858D581F0" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Parts and service sales</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PartsAndServiceSales" xlink:label="loc_gpi_PartsAndServiceSales_703DACEA26D44752274F43D858D581F0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FinancialServicesRevenue_0F3C07B2B4712D70A35E43D858D53B18_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialServicesRevenue_0F3C07B2B4712D70A35E43D858D53B18" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finance, insurance and other, net</link:label>
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    <link:label id="lab_us-gaap_Revenues_13AD068DA3F8FABF3DB343D858D5979A_totalLabel_en-US" xlink:label="lab_us-gaap_Revenues_13AD068DA3F8FABF3DB343D858D5979A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total revenues</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_13AD068DA3F8FABF3DB343D858D5979A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD_verboseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">COST OF SALES:</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Goods and Services Sold [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsAndServicesSoldAbstract" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSoldAbstract_DB810222927633975DDD43D858D5EBDD" xlink:type="arc" />
    <link:label id="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329_verboseLabel_en-US" xlink:label="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New vehicle retail sales</link:label>
    <link:label id="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329_label_en-US" xlink:label="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicle Retail Sales Cost Of Sales</link:label>
    <link:label id="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329_documentation_en-US" xlink:label="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate cost of new vehicles sold to retail customers during the reporting period.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NewVehicleRetailSalesCostOfSales" xlink:label="loc_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:to="lab_gpi_NewVehicleRetailSalesCostOfSales_B8C8FFB5FFC75947A88A43D858D50329" xlink:type="arc" />
    <link:label id="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E_verboseLabel_en-US" xlink:label="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle retail sales</link:label>
    <link:label id="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E_label_en-US" xlink:label="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Retail Sales Cost Of Sales</link:label>
    <link:label id="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E_documentation_en-US" xlink:label="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate cost of used vehicles sold to retail customers during the reporting period.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleRetailSalesCostOfSales" xlink:label="loc_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:to="lab_gpi_UsedVehicleRetailSalesCostOfSales_AADED1285F5AC1AAB1FC43D858D5DE9E" xlink:type="arc" />
    <link:label id="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849_verboseLabel_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle wholesale sales</link:label>
    <link:label id="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849_label_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Wholesale Sales Cost Of Sales</link:label>
    <link:label id="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849_documentation_en-US" xlink:label="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate cost of used vehicles sold to wholesale customers during the reporting period.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehicleWholesaleSalesCostOfSales" xlink:label="loc_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:to="lab_gpi_UsedVehicleWholesaleSalesCostOfSales_291AB369033D3CEAD3AB43D858D58849" xlink:type="arc" />
    <link:label id="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514_verboseLabel_en-US" xlink:label="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Parts and service sales</link:label>
    <link:label id="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514_label_en-US" xlink:label="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parts And Service Sales Cost Of Sales</link:label>
    <link:label id="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514_documentation_en-US" xlink:label="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate cost of parts sold and vehicle services rendered during the reporting period.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PartsAndServiceSalesCostOfSales" xlink:label="loc_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:to="lab_gpi_PartsAndServiceSalesCostOfSales_B4AE6405AB9EAB759CD043D858D58514" xlink:type="arc" />
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA_totalLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total cost of sales</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cost of Goods and Services Sold</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA" xlink:to="lab_us-gaap_CostOfGoodsAndServicesSold_828D5AE8AB0B4340489443D858D59DCA" xlink:type="arc" />
    <link:label id="lab_us-gaap_GrossProfit_9109829047FFB2D1E73243D858D5C2F5_totalLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_9109829047FFB2D1E73243D858D5C2F5" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">GROSS PROFIT</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_9109829047FFB2D1E73243D858D5C2F5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_306FDBAF26D561F5025843D858D5F463_verboseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense_306FDBAF26D561F5025843D858D5F463" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">SELLING, GENERAL AND ADMINISTRATIVE EXPENSES</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_306FDBAF26D561F5025843D858D5F463" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DepreciationDepletionAndAmortization_39C9C2880FC7C8EB2F8A43D858D6F690_verboseLabel_en-US" xlink:label="lab_us-gaap_DepreciationDepletionAndAmortization_39C9C2880FC7C8EB2F8A43D858D6F690" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">DEPRECIATION AND AMORTIZATION EXPENSE</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="loc_us-gaap_DepreciationDepletionAndAmortization_39C9C2880FC7C8EB2F8A43D858D6F690" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingIncomeLoss_E11C98EE3843146DBD1A43D858D606E3_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E11C98EE3843146DBD1A43D858D606E3" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">INCOME FROM OPERATIONS</link:label>
    <link:label id="lab_us-gaap_OperatingIncomeLoss_E11C98EE3843146DBD1A43D858D606E3_label_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_E11C98EE3843146DBD1A43D858D606E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Income (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_E11C98EE3843146DBD1A43D858D606E3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_3EC26949DB6BDFBBBC4143D858D6C900_verboseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract_3EC26949DB6BDFBBBC4143D858D6C900" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">OTHER INCOME (EXPENSE):</link:label>
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    <link:label id="lab_gpi_A5.00SeniorNoteMember_8E27108AAD70ACABD12F48C6F83DADA8_terseLabel_en-US" xlink:label="lab_gpi_A5.00SeniorNoteMember_8E27108AAD70ACABD12F48C6F83DADA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.00% Senior Note [Member]</link:label>
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    <link:label id="lab_gpi_A5.00SeniorNoteMember_8E27108AAD70ACABD12F48C6F83DADA8_documentation_en-US" xlink:label="lab_gpi_A5.00SeniorNoteMember_8E27108AAD70ACABD12F48C6F83DADA8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">5.00% Senior Note [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_A5.00SeniorNoteMember" xlink:label="loc_gpi_A5.00SeniorNoteMember_8E27108AAD70ACABD12F48C6F83DADA8" xlink:type="locator" />
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    <link:label id="lab_gpi_A5.25SeniorNoteMember_196E45C12CEE9E47CE0548C6F83DA8A2_terseLabel_en-US" xlink:label="lab_gpi_A5.25SeniorNoteMember_196E45C12CEE9E47CE0548C6F83DA8A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.25% Senior Note [Member]</link:label>
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    <link:label id="lab_gpi_U.K.WorkingCapitalLoanMember_44E11468D3E5F2F4AE6748C6F83DA4ED_terseLabel_en-US" xlink:label="lab_gpi_U.K.WorkingCapitalLoanMember_44E11468D3E5F2F4AE6748C6F83DA4ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.K. Working Capital Loan [Member]</link:label>
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    <link:label id="lab_gpi_ConvertibleandSeniorNotesMember_F5EE588892928DF00D3348C6F83DD1B1_terseLabel_en-US" xlink:label="lab_gpi_ConvertibleandSeniorNotesMember_F5EE588892928DF00D3348C6F83DD1B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible and Senior Notes [Member]</link:label>
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    <link:label id="lab_gpi_BrazilianthirdpartyfinancialinstitutionMember_EFE0DB0E87EF26A27BE948C6F83D4193_terseLabel_en-US" xlink:label="lab_gpi_BrazilianthirdpartyfinancialinstitutionMember_EFE0DB0E87EF26A27BE948C6F83D4193" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazilian third party financial institution [Member]</link:label>
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    <link:label id="lab_gpi_BrazilNoteMember_7511D4DB9EF2140836F848C6F83DBFE7_terseLabel_en-US" xlink:label="lab_gpi_BrazilNoteMember_7511D4DB9EF2140836F848C6F83DBFE7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazil Note [Member]</link:label>
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    <link:label id="lab_gpi_RealEstateRelatedDebtMember_30646F9F6B1BE6B0100B48C6F83D3241_verboseLabel_en-US" xlink:label="lab_gpi_RealEstateRelatedDebtMember_30646F9F6B1BE6B0100B48C6F83D3241" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Related Debt [Member]</link:label>
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    <link:label id="lab_gpi_FixedinterestratedebtMember_3A77476555F8A9E4E18D48C6F83DBE04_terseLabel_en-US" xlink:label="lab_gpi_FixedinterestratedebtMember_3A77476555F8A9E4E18D48C6F83DBE04" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed interest rate debt [Member]</link:label>
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    <link:label id="lab_gpi_FixedinterestratedebtMember_3A77476555F8A9E4E18D48C6F83DBE04_documentation_en-US" xlink:label="lab_gpi_FixedinterestratedebtMember_3A77476555F8A9E4E18D48C6F83DBE04" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fixed interest rate debt [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_FixedinterestratedebtMember" xlink:label="loc_gpi_FixedinterestratedebtMember_3A77476555F8A9E4E18D48C6F83DBE04" xlink:type="locator" />
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    <link:label id="lab_gpi_RealEstateCreditFacilityRealEstateRelatedDebtandAcquisitionLineMember_6F00FD194F2CE621DCF048C6F83D4652_verboseLabel_en-US" xlink:label="lab_gpi_RealEstateCreditFacilityRealEstateRelatedDebtandAcquisitionLineMember_6F00FD194F2CE621DCF048C6F83D4652" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Credit Facility, Real Estate Related Debt and Acquisition Line [Member]</link:label>
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    <link:label id="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA_terseLabel_en-US" xlink:label="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">U.K. Notes [Member]</link:label>
    <link:label id="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA_label_en-US" xlink:label="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">U.K. Notes [Member]</link:label>
    <link:label id="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA_documentation_en-US" xlink:label="lab_gpi_U.K.NotesMember_3C158713F9940E5BBBF948C6F83DA7CA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">U.K. Notes [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_8065CC56E82CC1B6D17D48C6F83EC7FA_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_8065CC56E82CC1B6D17D48C6F83EC7FA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
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    <link:label id="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A_verboseLabel_en-US" xlink:label="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Long Term Debt (Textual) [Abstract]</link:label>
    <link:label id="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A_label_en-US" xlink:label="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt (Textual) [Abstract]</link:label>
    <link:label id="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A_documentation_en-US" xlink:label="lab_gpi_LongTermDebtTextualAbstract_EB6B6DC572C4EB9D812748C6F83E906A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term debt.</link:label>
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    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_B3549A28417430C8F5FD48C6F83EFF44_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_B3549A28417430C8F5FD48C6F83EFF44" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_B3549A28417430C8F5FD48C6F83EFF44_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate_B3549A28417430C8F5FD48C6F83EFF44" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
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    <link:label id="lab_us-gaap_ShortTermBorrowings_1F3B066F54448803583848C6F83EDC92_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_1F3B066F54448803583848C6F83EDC92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term Debt</link:label>
    <link:label id="lab_us-gaap_ShortTermBorrowings_1F3B066F54448803583848C6F83EDC92_label_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings_1F3B066F54448803583848C6F83EDC92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-term Debt</link:label>
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    <link:label id="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1_terseLabel_en-US" xlink:label="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Borrowings</link:label>
    <link:label id="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1_label_en-US" xlink:label="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Borrowings</link:label>
    <link:label id="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1_documentation_en-US" xlink:label="lab_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional borrowings.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_AdditionalBorrowings" xlink:label="loc_gpi_AdditionalBorrowings_29F1103E5C106E7B2C6148C6F83ED0B1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromShortTermDebt_2DD83CDECB45F64435D048C6F83E05CD_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromShortTermDebt_2DD83CDECB45F64435D048C6F83E05CD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Short-term Debt</link:label>
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    <link:label id="lab_gpi_Additionalborrowingsdiscountfromfacevalue_9D5F4B125B5216C3692F48C6F83F0362_terseLabel_en-US" xlink:label="lab_gpi_Additionalborrowingsdiscountfromfacevalue_9D5F4B125B5216C3692F48C6F83F0362" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional borrowings discount from face value</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtCurrent_B1F819CBBA4D08E57E5548C6F840BC50_label_en-US" xlink:label="lab_us-gaap_LongTermDebtCurrent_B1F819CBBA4D08E57E5548C6F840BC50" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Current Maturities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_B1F819CBBA4D08E57E5548C6F840BC50" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtCurrent_B1F819CBBA4D08E57E5548C6F840BC50" xlink:to="lab_us-gaap_LongTermDebtCurrent_B1F819CBBA4D08E57E5548C6F840BC50" xlink:type="arc" />
    <link:label id="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A_terseLabel_en-US" xlink:label="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt assumed in conjunction with acquisition</link:label>
    <link:label id="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A_label_en-US" xlink:label="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term debt assumed in conjunction with acquisition</link:label>
    <link:label id="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A_documentation_en-US" xlink:label="lab_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long-term debt assumed in conjunction with acquisition</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Longtermdebtassumedinconjunctionwithacquisition" xlink:label="loc_gpi_Longtermdebtassumedinconjunctionwithacquisition_3443F89903BF144151B348C6F840EA1A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_E1957E86E033173D06FF48C6F8404C55" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_0578D8036467D4B7474648C6F840B28B_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_0578D8036467D4B7474648C6F840B28B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_0578D8036467D4B7474648C6F840B28B_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_0578D8036467D4B7474648C6F840B28B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_0578D8036467D4B7474648C6F840B28B" xlink:type="locator" />
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    <link:label id="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517_terseLabel_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility minimum borrowing capacity</link:label>
    <link:label id="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517_label_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Minimum Borrowing Capacity</link:label>
    <link:label id="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517_documentation_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of credit facility minimum borrowing capacity for working capital and general corporate purposes, including acquisitions.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_LineOfCreditFacilityMinimumBorrowingCapacity" xlink:label="loc_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:to="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AD75613941A52A6F564248C6F840D517" xlink:type="arc" />
    <link:label id="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843_terseLabel_en-US" xlink:label="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of manufacturer-affiliated finance partners</link:label>
    <link:label id="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843_label_en-US" xlink:label="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of manufacturer-affiliated finance partners</link:label>
    <link:label id="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843_documentation_en-US" xlink:label="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of manufacture-affiliates with mortgaged loans</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Numberofmanufactureraffiliatedfinancepartners" xlink:label="loc_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:to="lab_gpi_Numberofmanufactureraffiliatedfinancepartners_207AD72F70748400682A48C6F8408843" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_AFDCD070AB5E950CA59948C6F84021C1_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_AFDCD070AB5E950CA59948C6F84021C1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest on real estate notes, minimum</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_AFDCD070AB5E950CA59948C6F84021C1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_AFDCD070AB5E950CA59948C6F84021C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum_AFDCD070AB5E950CA59948C6F84021C1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest on real estate notes, maximum</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum_16011A8A7BB6B25AB27448C6F8407E4E" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_8D650D998B9AE1C10E9A48C6F8408941" xlink:type="arc" />
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3_verboseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of loans as per loan agreements</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, Number of Loans</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MortgageLoansOnRealEstateNumberOfLoans" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3" xlink:to="lab_us-gaap_MortgageLoansOnRealEstateNumberOfLoans_5AE3C8107BFCF9C5EF6B48C6F84005B3" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repayments of Long-term Debt</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt_1E1C858D604669BA855F48C6F840E0BA" xlink:type="arc" />
    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016_terseLabel_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings Of Long Term Debt Related To Real Estate Loans</link:label>
    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016_label_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings Of Long Term Debt Related To Real Estate Loans</link:label>
    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016_documentation_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings of long term debt related to real estate loans.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans" xlink:label="loc_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_B97E30FBEF0819AA450848C6F8409016" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Fair Value</link:label>
    <link:label id="lab_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721_label_en-US" xlink:label="lab_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Fair Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721" xlink:to="lab_us-gaap_LongTermDebtFairValue_A7AF1EFEBA7ED3D007EE48C6F8404721" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongtermDebtPercentageBearingFixedInterestAmount_9C87C2BD39197B9FD2F348C6F840495B_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtPercentageBearingFixedInterestAmount_9C87C2BD39197B9FD2F348C6F840495B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Percentage Bearing Fixed Interest, Amount</link:label>
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    <link:label id="lab_gpi_InventoriesAxis_3D958C78F80864C5B26A43D8580DA2E0_documentation_en-US" xlink:label="lab_gpi_InventoriesAxis_3D958C78F80864C5B26A43D8580DA2E0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories [Axis]</link:label>
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    <link:label id="lab_gpi_InventoriesDomain_8426ACCF10F76E5E6BD343D8580DA2C3_label_en-US" xlink:label="lab_gpi_InventoriesDomain_8426ACCF10F76E5E6BD343D8580DA2C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories [Domain]</link:label>
    <link:label id="lab_gpi_InventoriesDomain_8426ACCF10F76E5E6BD343D8580DA2C3_documentation_en-US" xlink:label="lab_gpi_InventoriesDomain_8426ACCF10F76E5E6BD343D8580DA2C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories [Domain]</link:label>
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    <link:label id="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1_terseLabel_en-US" xlink:label="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Inventory [Line Items]</link:label>
    <link:label id="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1_label_en-US" xlink:label="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventories [Line Items]</link:label>
    <link:label id="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1_documentation_en-US" xlink:label="lab_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Inventories.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_InventoriesLineItems" xlink:label="loc_gpi_InventoriesLineItems_04DFFBA5F4222F7DF44143D8580DB4C1" xlink:type="locator" />
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    <link:label id="lab_gpi_NewVehiclesInventoryGross_5F714443F578E76E340143D8580D6AE1_label_en-US" xlink:label="lab_gpi_NewVehiclesInventoryGross_5F714443F578E76E340143D8580D6AE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicles Inventory, Gross</link:label>
    <link:label id="lab_gpi_NewVehiclesInventoryGross_5F714443F578E76E340143D8580D6AE1_documentation_en-US" xlink:label="lab_gpi_NewVehiclesInventoryGross_5F714443F578E76E340143D8580D6AE1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Vehicles Inventory, Gross</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NewVehiclesInventoryGross" xlink:label="loc_gpi_NewVehiclesInventoryGross_5F714443F578E76E340143D8580D6AE1" xlink:type="locator" />
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    <link:label id="lab_gpi_UsedVehiclesInventoryGross_3295B23F27221CE1FBE243D8580DD478_label_en-US" xlink:label="lab_gpi_UsedVehiclesInventoryGross_3295B23F27221CE1FBE243D8580DD478" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicles Inventory, Gross</link:label>
    <link:label id="lab_gpi_UsedVehiclesInventoryGross_3295B23F27221CE1FBE243D8580DD478_documentation_en-US" xlink:label="lab_gpi_UsedVehiclesInventoryGross_3295B23F27221CE1FBE243D8580DD478" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Used Vehicles Inventory, Gross</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UsedVehiclesInventoryGross" xlink:label="loc_gpi_UsedVehiclesInventoryGross_3295B23F27221CE1FBE243D8580DD478" xlink:type="locator" />
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    <link:label id="lab_gpi_RentalVehiclesInventoryGross_B2D3C5AF441F0DD49A6643D8580D5F33_terseLabel_en-US" xlink:label="lab_gpi_RentalVehiclesInventoryGross_B2D3C5AF441F0DD49A6643D8580D5F33" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental Vehicles Inventory, Gross</link:label>
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    <link:label id="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_C18167A866900281D99844E7929AF351_documentation_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_C18167A866900281D99844E7929AF351" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow resulting from borrowings under the floorplan line of the revolving credit facility. Borrowings under the floorplan line are used to finance the purchase of specific new, used and rental vehicle inventory.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BorrowingsOnCreditFacilityFloorplanLine" xlink:label="loc_gpi_BorrowingsOnCreditFacilityFloorplanLine_C18167A866900281D99844E7929AF351" xlink:type="locator" />
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    <link:label id="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_56CC67C7C0C087DF5E0D44E7929A759E_documentation_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_56CC67C7C0C087DF5E0D44E7929A759E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow resulting from repayments of borrowings under the floorplan line of the revolving credit facility. Borrowings under the floorplan line are used to finance the purchase of specific new, used and rental vehicle inventory.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_RepaymentsOnCreditFacilityFloorplanLine" xlink:label="loc_gpi_RepaymentsOnCreditFacilityFloorplanLine_56CC67C7C0C087DF5E0D44E7929A759E" xlink:type="locator" />
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    <link:label id="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_C2AE6B1D62971583724344E7929A5F04_verboseLabel_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_C2AE6B1D62971583724344E7929A5F04" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on Credit Facility Acquisition Line</link:label>
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    <link:label id="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_D53CAA77EB3B9EF79EFD44E7929A62EE_documentation_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_D53CAA77EB3B9EF79EFD44E7929A62EE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repayments on credit facility acquisition line.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_RepaymentsOnCreditFacilityAcquisitionLine" xlink:label="loc_gpi_RepaymentsOnCreditFacilityAcquisitionLine_D53CAA77EB3B9EF79EFD44E7929A62EE" xlink:type="locator" />
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    <link:label id="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181_terseLabel_en-US" xlink:label="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net borrowings on 5.00% Senior Unsecured Notes</link:label>
    <link:label id="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181_label_en-US" xlink:label="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net borrowings on 5.00% Senior Unsecured Notes</link:label>
    <link:label id="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181_documentation_en-US" xlink:label="lab_gpi_Netborrowingson5.00SeniorUnsecuredNotes_923569BF4857F120707B44E7929A4181" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net borrowings on 5.00% Senior Unsecured Notes</link:label>
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    <link:loc xlink:href="gpi-20161231.xsd#gpi_Netborrowingson5.25SeniorUnsecuredNotes" xlink:label="loc_gpi_Netborrowingson5.25SeniorUnsecuredNotes_4AD5743841C3378F0A3A44E7929AB13C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_0A4A5FA8E135FB0A870044EED54DB176_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_0A4A5FA8E135FB0A870044EED54DB176" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_0A4A5FA8E135FB0A870044EED54DB176_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_0A4A5FA8E135FB0A870044EED54DB176" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_29208C721CC76BB5E0CA44EED54D8E22_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_29208C721CC76BB5E0CA44EED54D8E22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Capital [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_29208C721CC76BB5E0CA44EED54D8E22" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_29208C721CC76BB5E0CA44EED54D8E22" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_29208C721CC76BB5E0CA44EED54D8E22" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Accounts payable and accrued expenses</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_E69DE8A245C5FB53875244EED54DB60E" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts and notes receivable</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Accounts and Other Receivables</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_0447441F9D138F17331744EED54D3D46" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Retail Related Inventories</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRetailRelatedInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA" xlink:to="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_B8298FEAF4D2F0D232F044EED54DEDFA" xlink:type="arc" />
    <link:label id="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C_negatedLabel_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Contracts-in-transit and vehicle receivables</link:label>
    <link:label id="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C_label_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase Decrease In Contracts In Transit And Vehicle Receivables</link:label>
    <link:label id="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C_documentation_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) during the reporting period in the book value of amounts due from financing institutions on retail finance contracts from vehicle sales and dealer incentives due from manufacturers. Also, included are amounts receivable from vehicle wholesale sales.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables" xlink:label="loc_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_FA20FBD40AF06FD3A43A44EED54D8C2C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_9809C452678869D15CFB44EED54DE53E_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_9809C452678869D15CFB44EED54DE53E" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses and other assets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_9809C452678869D15CFB44EED54DE53E" xlink:type="locator" />
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    <link:label id="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0_negatedTerseLabel_en-US" xlink:label="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Floorplan notes payable &#8212; manufacturer affiliates</link:label>
    <link:label id="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0_label_en-US" xlink:label="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">IncreaseDecreaseFloorPlanNotes</link:label>
    <link:label id="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0_documentation_en-US" xlink:label="lab_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The decrease (increase) during the reporting period in the carrying value of revolving financing agreements related to new vehicle inventories with captive finance companies associated with the manufacturer of those vehicles that are due when the vehicles are sold.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Increasedecreasefloorplannotes" xlink:label="loc_gpi_Increasedecreasefloorplannotes_DB6723D2F5BA8489DA5844EED54DE7C0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_C495BC514BC0134738A944EED54D3ABB_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInDeferredRevenue_C495BC514BC0134738A944EED54D3ABB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenues</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredRevenue_C495BC514BC0134738A944EED54D3ABB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_8C6CEC9D225044CB212044EED54D494B_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_8C6CEC9D225044CB212044EED54D494B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used in) operating activities</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F1B580D742B56BE351DA44EED54D70A1_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F1B580D742B56BE351DA44EED54D70A1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM INVESTING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F1B580D742B56BE351DA44EED54D70A1_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_F1B580D742B56BE351DA44EED54D70A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_B01C48E20042280AD18744EED54DF8DA_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_B01C48E20042280AD18744EED54DF8DA" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Cash paid in acquisitions, net of cash received</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_B01C48E20042280AD18744EED54DF8DA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_DF5607BECC17D28621BA44EED54D85C8_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_DF5607BECC17D28621BA44EED54D85C8" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property and equipment, including real estate</link:label>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7B674DF9E3AA7D8C35ED44EED54D8D26_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7B674DF9E3AA7D8C35ED44EED54D8D26" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM FINANCING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7B674DF9E3AA7D8C35ED44EED54D8D26_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7B674DF9E3AA7D8C35ED44EED54D8D26" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
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    <link:label id="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_9242396E82AC3661F6D944EED54DFD30_verboseLabel_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_9242396E82AC3661F6D944EED54DFD30" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on credit facility &#8212; floorplan line and other</link:label>
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    <link:label id="lab_gpi_Repaymentsof3.00ConvertibleNotes_AC8E558397AAEEB2061744EED54D50EE_negatedTerseLabel_en-US" xlink:label="lab_gpi_Repaymentsof3.00ConvertibleNotes_AC8E558397AAEEB2061744EED54D50EE" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Repurchase of 3.00% Convertible Notes</link:label>
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    <link:label id="lab_gpi_Proceedsfromcalloptionsandwarrantsrelatedto3.00Notes_889ED726671DE9E63A8044EED54D5D40_terseLabel_en-US" xlink:label="lab_gpi_Proceedsfromcalloptionsandwarrantsrelatedto3.00Notes_889ED726671DE9E63A8044EED54D5D40" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from Call/Warrant Unwind related to 3.00% Convertible Notes</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_C3FB747382D1015CB4C344EED54D755C_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_C3FB747382D1015CB4C344EED54D755C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on other debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_C3FB747382D1015CB4C344EED54D755C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_14128A5AE0AC482FD43244EED54DD44D_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_14128A5AE0AC482FD43244EED54DD44D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal payments on other debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_14128A5AE0AC482FD43244EED54DD44D" xlink:type="locator" />
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    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_33DC703810388D0BD16544EED54D7C8C_negatedLabel_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_33DC703810388D0BD16544EED54D7C8C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Borrowings on debt related to real estate</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans" xlink:label="loc_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_33DC703810388D0BD16544EED54D7C8C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_650CFB4A8DF332986C0444EED54D173D_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_650CFB4A8DF332986C0444EED54D173D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repurchases of common stock, amounts based on settlement date</link:label>
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    <link:label id="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_0A824FDC18914F8EB80544EED54D55AF_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_0A824FDC18914F8EB80544EED54D55AF" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" xlink:label="loc_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet_0A824FDC18914F8EB80544EED54D55AF" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_308A71DCC34EEA1A3BB644EED54D9FBD_verboseLabel_en-US" xlink:label="lab_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_308A71DCC34EEA1A3BB644EED54D9FBD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">EFFECT OF EXCHANGE RATE CHANGES ON CASH</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_7D2FDAA53B75B87301AF43D85791C66C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_7D2FDAA53B75B87301AF43D85791C66C" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_7D2FDAA53B75B87301AF43D85791C66C" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C52B2C40DF1CCB1B685043D8579140CA_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C52B2C40DF1CCB1B685043D8579140CA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2017</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C52B2C40DF1CCB1B685043D8579140CA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C52B2C40DF1CCB1B685043D8579140CA" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_C52B2C40DF1CCB1B685043D8579140CA" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_53AB5C77E6593E5B486643D85791089B_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_53AB5C77E6593E5B486643D85791089B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2018</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_53AB5C77E6593E5B486643D85791089B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_53AB5C77E6593E5B486643D85791089B" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F0BE90B39616C55043FA43D85791F1CD_verboseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F0BE90B39616C55043FA43D85791F1CD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F0BE90B39616C55043FA43D85791F1CD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F0BE90B39616C55043FA43D85791F1CD" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_F0BE90B39616C55043FA43D85791F1CD" xlink:type="arc" />
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_305FD0694C78B7B6EC6E43D85791F51B" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_305FD0694C78B7B6EC6E43D85791F51B" xlink:type="arc" />
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    <link:label id="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215_terseLabel_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UK Credit Facilities [Member]</link:label>
    <link:label id="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215_label_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">UK Credit Facilities [Member]</link:label>
    <link:label id="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215_documentation_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">UK Credit Facilities [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_UKCreditFacilitiesMember" xlink:label="loc_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:to="lab_gpi_UKCreditFacilitiesMember_3E499313081E43DDAAEA43D857AEA215" xlink:type="arc" />
    <link:label id="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73_terseLabel_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazilian Credit Facility [Member]</link:label>
    <link:label id="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73_label_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Brazilian Credit Facility [Member]</link:label>
    <link:label id="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73_documentation_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Brazilian Credit Facility [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BrazilianCreditFacilityMember" xlink:label="loc_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:to="lab_gpi_BrazilianCreditFacilityMember_C59A996F2D6B4AE3005343D857AE9B73" xlink:type="arc" />
    <link:label id="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB_terseLabel_en-US" xlink:label="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings currency [Axis]</link:label>
    <link:label id="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB_label_en-US" xlink:label="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings currency [Axis]</link:label>
    <link:label id="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB_documentation_en-US" xlink:label="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings currency [Axis]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BorrowingscurrencyAxis" xlink:label="loc_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:to="lab_gpi_BorrowingscurrencyAxis_8C6B3F1EE0A4107EEF8543D857AE43FB" xlink:type="arc" />
    <link:label id="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056_terseLabel_en-US" xlink:label="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings currency [Domain]</link:label>
    <link:label id="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056_label_en-US" xlink:label="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings currency [Domain]</link:label>
    <link:label id="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056_documentation_en-US" xlink:label="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Borrowings currency [Axis]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_BorrowingscurrencyDomain" xlink:label="loc_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:to="lab_gpi_BorrowingscurrencyDomain_E84D9A9A60CA0CD2170743D857AF7056" xlink:type="arc" />
    <link:label id="lab_currency_USD_4EF4D959CAC622BD029443D857AFBE83_terseLabel_en-US" xlink:label="lab_currency_USD_4EF4D959CAC622BD029443D857AFBE83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:label id="lab_currency_USD_4EF4D959CAC622BD029443D857AFBE83_label_en-US" xlink:label="lab_currency_USD_4EF4D959CAC622BD029443D857AFBE83" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">United States of America, Dollars</link:label>
    <link:loc xlink:href="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd#currency_USD" xlink:label="loc_currency_USD_4EF4D959CAC622BD029443D857AFBE83" xlink:type="locator" />
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    <link:label id="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C_terseLabel_en-US" xlink:label="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Euros or Pound Sterling [Member]</link:label>
    <link:label id="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C_label_en-US" xlink:label="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Euros or Pound Sterling [Member]</link:label>
    <link:label id="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C_documentation_en-US" xlink:label="lab_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Euros or Pound Sterling [Member]</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_EurosorPoundSterlingMember" xlink:label="loc_gpi_EurosorPoundSterlingMember_BA8A52591BBB874049D743D857AF4B0C" xlink:type="locator" />
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    <link:label id="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5_verboseLabel_en-US" xlink:label="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility (Textual) [Abstract]</link:label>
    <link:label id="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5_label_en-US" xlink:label="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility (Textual) [Abstract]</link:label>
    <link:label id="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5_documentation_en-US" xlink:label="lab_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit facility.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_CreditFacilityTextualAbstract" xlink:label="loc_gpi_CreditFacilityTextualAbstract_334A1CC48563F60373F343D857AF78D5" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7D4F61D7F181F860318943D857AF0F72_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7D4F61D7F181F860318943D857AF0F72" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity under line of credit facility</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_7D4F61D7F181F860318943D857AF0F72" xlink:type="locator" />
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    <link:label id="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2_verboseLabel_en-US" xlink:label="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of financial institutions</link:label>
    <link:label id="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2_label_en-US" xlink:label="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Financial Institutions</link:label>
    <link:label id="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2_documentation_en-US" xlink:label="lab_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of financial institutions.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NumberOfFinancialInstitutions" xlink:label="loc_gpi_NumberOfFinancialInstitutions_6F16BC80165AF1CD757343D857AFC0E2" xlink:type="locator" />
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    <link:label id="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79_verboseLabel_en-US" xlink:label="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Number of Manufacturer-affiliated finance companies</link:label>
    <link:label id="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79_label_en-US" xlink:label="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Manufacturer Affiliated Finance Companies</link:label>
    <link:label id="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79_documentation_en-US" xlink:label="lab_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Manufacturer-affiliated finance companies.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NumberOfManufacturerAffiliatedFinanceCompanies" xlink:label="loc_gpi_NumberOfManufacturerAffiliatedFinanceCompanies_ADC60E39402B5FD181C243D857AFDA79" xlink:type="locator" />
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    <link:label id="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604_terseLabel_en-US" xlink:label="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:label id="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604_label_en-US" xlink:label="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:label id="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604_documentation_en-US" xlink:label="lab_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of tranches</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Numberoftranches" xlink:label="loc_gpi_Numberoftranches_79179140BAF5EDFA2A5643D857AF6604" xlink:type="locator" />
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    <link:label id="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1_verboseLabel_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, maximum borrowing capacity can be extended, amount</link:label>
    <link:label id="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1_label_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility Maximum Borrowing Capacity Can Be Extended Amount</link:label>
    <link:label id="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1_documentation_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of credit facility, maximum borrowing capacity can be extended, amount.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount" xlink:label="loc_gpi_LineOfCreditFacilityMaximumBorrowingCapacityCanBeExtendedAmount_438A120BF32F3FA5E60C43D857B0BEE1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_E4A4E2A636B26B44166243D857B096D2_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_E4A4E2A636B26B44166243D857B096D2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on interest rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_E4A4E2A636B26B44166243D857B096D2" xlink:type="locator" />
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    <link:label id="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E_verboseLabel_en-US" xlink:label="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum period for outstanding borrowing</link:label>
    <link:label id="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E_label_en-US" xlink:label="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Period For Outstanding Borrowing</link:label>
    <link:label id="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E_documentation_en-US" xlink:label="lab_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum period for outstanding borrowing.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_MaximumPeriodForOutstandingBorrowing" xlink:label="loc_gpi_MaximumPeriodForOutstandingBorrowing_82FBF19BD1FC1D75E79243D857B0542E" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_F313E825EAB489B4DABD43D857B03E75" xlink:type="locator" />
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    <link:label id="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308_verboseLabel_en-US" xlink:label="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted payment maximum</link:label>
    <link:label id="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308_label_en-US" xlink:label="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Payment Maximum</link:label>
    <link:label id="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308_documentation_en-US" xlink:label="lab_gpi_RestrictedPaymentMaximum_B0D33BAB8DBB36212C6243D857B07308" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted payment maximum.</link:label>
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    <link:label id="lab_gpi_LineOfCreditFacilityUnamortizedCost_9DCA48D4077424E4C5CA43D857B0C8D7_verboseLabel_en-US" xlink:label="lab_gpi_LineOfCreditFacilityUnamortizedCost_9DCA48D4077424E4C5CA43D857B0C8D7" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, unamortized cost</link:label>
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    <link:label id="lab_gpi_LineOfCreditFacilityUnamortizedCost_9DCA48D4077424E4C5CA43D857B0C8D7_documentation_en-US" xlink:label="lab_gpi_LineOfCreditFacilityUnamortizedCost_9DCA48D4077424E4C5CA43D857B0C8D7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of credit facility, unamortized cost.</link:label>
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    <link:label id="lab_us-gaap_LineOfCredit_6D89BDC4A1557311936643D857B0BC81_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_6D89BDC4A1557311936643D857B0BC81" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Amount Outstanding</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_261C4CB3B5232AE8EBF843D857B06615_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_261C4CB3B5232AE8EBF843D857B06615" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Available amount under borrowing capacity</link:label>
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    <link:label id="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB_terseLabel_en-US" xlink:label="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum Limit of Restricted Payment</link:label>
    <link:label id="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB_label_en-US" xlink:label="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Limit Of Restricted Payment</link:label>
    <link:label id="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB_documentation_en-US" xlink:label="lab_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum limit of restricted payment.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_MaximumLimitOfRestrictedPayment" xlink:label="loc_gpi_MaximumLimitOfRestrictedPayment_514F37170FA1358F64DE43D857B033BB" xlink:type="locator" />
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    <link:label id="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2_terseLabel_en-US" xlink:label="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted Payment Basket</link:label>
    <link:label id="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2_label_en-US" xlink:label="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Payment Basket</link:label>
    <link:label id="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2_documentation_en-US" xlink:label="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Restricted Payment Basket</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_RestrictedPaymentBasket" xlink:label="loc_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:to="lab_gpi_RestrictedPaymentBasket_9F83ED6838830B10CD0F43D857B085C2" xlink:type="arc" />
    <link:label id="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00_verboseLabel_en-US" xlink:label="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cancellation of agreement</link:label>
    <link:label id="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00_label_en-US" xlink:label="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Days Related To Cancellation Of Contract</link:label>
    <link:label id="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00_documentation_en-US" xlink:label="lab_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of days related to cancellation of contract.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_NumberOfDaysRelatedToCancellationOfContract" xlink:label="loc_gpi_NumberOfDaysRelatedToCancellationOfContract_89FE13916EF2FE66D9AA43D857B00F00" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_BCE8BAF8B3614FC2BA2443D857B13FE3_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_BCE8BAF8B3614FC2BA2443D857B13FE3" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt interest rate</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_BCE8BAF8B3614FC2BA2443D857B13FE3_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_BCE8BAF8B3614FC2BA2443D857B13FE3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Interest Rate at Period End</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="loc_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_BCE8BAF8B3614FC2BA2443D857B13FE3" xlink:type="locator" />
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    <link:label id="lab_gpi_DebtInstrumentMaturityDatePeriod_3E65BDA9F30EF8AACF8543D857B193C7_terseLabel_en-US" xlink:label="lab_gpi_DebtInstrumentMaturityDatePeriod_3E65BDA9F30EF8AACF8543D857B193C7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument Maturity Date Period</link:label>
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    <link:loc xlink:href="gpi-20161231.xsd#gpi_SummaryOfSignificantAccountingPoliciesAndEstimatesLineItems" xlink:label="loc_gpi_SummaryOfSignificantAccountingPoliciesAndEstimatesLineItems_ED5DB876766CC89375D148339556469D" xlink:type="locator" />
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    <link:label id="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE_terseLabel_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, current</link:label>
    <link:label id="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE_label_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, current</link:label>
    <link:label id="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE_documentation_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostscurrent_77DA680ED6082A1F430048339556C1BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, current</link:label>
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    <link:label id="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE_terseLabel_en-US" xlink:label="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Value of used vehicle inventory financed</link:label>
    <link:label id="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE_label_en-US" xlink:label="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Value of used vehicle inventory financed</link:label>
    <link:label id="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE_documentation_en-US" xlink:label="lab_gpi_Valueofusedvehicleinventoryfinanced_76B5AF10C345C8B6BFC248339556FBFE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of used vehicle inventory financed</link:label>
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    <link:label id="lab_us-gaap_NumberOfReportableSegments_6413FF5367F10A723E1848339556E7DA_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_6413FF5367F10A723E1848339556E7DA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:label id="lab_us-gaap_NumberOfReportableSegments_6413FF5367F10A723E1848339556E7DA_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments_6413FF5367F10A723E1848339556E7DA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_6413FF5367F10A723E1848339556E7DA" xlink:type="locator" />
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    <link:label id="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A_verboseLabel_en-US" xlink:label="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Change in the historical chargeback results used in determining estimates of future amounts</link:label>
    <link:label id="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A_label_en-US" xlink:label="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent Change Used in Sensitivity Analysis</link:label>
    <link:label id="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A_documentation_en-US" xlink:label="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent change used in sensitivity analysis.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentChangeUsedInSensitivityAnalysis" xlink:label="loc_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:to="lab_gpi_PercentChangeUsedInSensitivityAnalysis_1F12B04FEB463C87929048339556B53A" xlink:type="arc" />
    <link:label id="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6_verboseLabel_en-US" xlink:label="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Change in the reserve of future amounts</link:label>
    <link:label id="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6_label_en-US" xlink:label="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sensitivity of Charge back in Reserve</link:label>
    <link:label id="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6_documentation_en-US" xlink:label="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sensitivity of charge back in reserve.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_SensitivityOfChargeBackInReserve" xlink:label="loc_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:to="lab_gpi_SensitivityOfChargeBackInReserve_E60A25CC200404C528F4483395568FB6" xlink:type="arc" />
    <link:label id="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29_verboseLabel_en-US" xlink:label="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash and short term investments</link:label>
    <link:label id="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29_label_en-US" xlink:label="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility Floor Plan Offset</link:label>
    <link:label id="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29_documentation_en-US" xlink:label="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit facility floor plan offset.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_CreditFacilityFloorPlanOffset" xlink:label="loc_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:to="lab_gpi_CreditFacilityFloorPlanOffset_4B6AD612245B78F0BCFE48339556EA29" xlink:type="arc" />
    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC_verboseLabel_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventory cost reduced for interest assistance received from manufacturers</link:label>
    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC_label_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturer Floorplan Assistance Recognized as Reduction of Inventory Cost</link:label>
    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC_documentation_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturer floorplan assistance recognized as reduction of inventory cost.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost" xlink:label="loc_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfInventoryCost_47F3133BFC887B2A4AA7483395567ABC" xlink:type="locator" />
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    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C_verboseLabel_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reduction in new vehicle cost of sales</link:label>
    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C_label_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturer Floorplan Assistance Recognized as Reduction of Cost of Sales</link:label>
    <link:label id="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C_documentation_en-US" xlink:label="lab_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturer floorplan assistance recognized as reduction of cost of sales.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales" xlink:label="loc_gpi_ManufacturerFloorplanAssistanceRecognizedAsReductionOfCostOfSales_6A4586A20D95AC272BEA48339556BB6C" xlink:type="locator" />
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    <link:label id="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C_verboseLabel_en-US" xlink:label="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest assistance received related to vehicles sold</link:label>
    <link:label id="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C_label_en-US" xlink:label="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Assistance Received Related to Vehicles Sold</link:label>
    <link:label id="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C_documentation_en-US" xlink:label="lab_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest assistance received related to vehicles sold.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_InterestAssistanceReceivedRelatedToVehiclesSold" xlink:label="loc_gpi_InterestAssistanceReceivedRelatedToVehiclesSold_7409C4796B26AD5F8ACC48339556063C" xlink:type="locator" />
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    <link:label id="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4_terseLabel_en-US" xlink:label="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of geographic regions</link:label>
    <link:label id="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4_label_en-US" xlink:label="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of geographic regions</link:label>
    <link:label id="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4_documentation_en-US" xlink:label="lab_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of geographic regions</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Numberofgeographicregions" xlink:label="loc_gpi_Numberofgeographicregions_EDD575B74D8657858273483395560EC4" xlink:type="locator" />
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    <link:label id="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54_verboseLabel_en-US" xlink:label="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted Income approach to determine the fair value of the Company's reporting units</link:label>
    <link:label id="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54_label_en-US" xlink:label="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Weighted Income Approach to Determine Fair Value of Company's Reporting Units</link:label>
    <link:label id="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54_documentation_en-US" xlink:label="lab_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage weighted income approach to determine fair value of company's reporting units.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits" xlink:label="loc_gpi_PercentageWeightedIncomeApproachToDetermineFairValueOfCompanysReportingUnits_A1822ADD8808CF12B94D483395565F54" xlink:type="locator" />
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    <link:label id="lab_gpi_ForecastedSeasonallyAdjustedAnnualRateOfNewVehicleSales_57AA84670D7198298494483395562B17_verboseLabel_en-US" xlink:label="lab_gpi_ForecastedSeasonallyAdjustedAnnualRateOfNewVehicleSales_57AA84670D7198298494483395562B17" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recovery back to normalized levels by 2016</link:label>
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    <link:label id="lab_us-gaap_AdvertisingExpense_CE72F6B36C632E08077048339556B77E_verboseLabel_en-US" xlink:label="lab_us-gaap_AdvertisingExpense_CE72F6B36C632E08077048339556B77E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Advertising expenses</link:label>
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    <link:label id="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B_verboseLabel_en-US" xlink:label="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Reduction in advertising expenses</link:label>
    <link:label id="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B_label_en-US" xlink:label="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Manufacturer Advertising Assistance Recognized as a Reduction of Advertising Expense</link:label>
    <link:label id="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B_documentation_en-US" xlink:label="lab_gpi_ManufacturerAdvertisingAssistanceRecognizedAsReductionOfAdvertisingExpense_26FFBE69585AEF0C2FA848339556F97B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Manufacturer advertising assistance recognized as a reduction of advertising expense.</link:label>
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    <link:label id="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5_verboseLabel_en-US" xlink:label="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share in company sales volume</link:label>
    <link:label id="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5_label_en-US" xlink:label="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of New Vehicle Sales Volume</link:label>
    <link:label id="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5_documentation_en-US" xlink:label="lab_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of new vehicle sales volume.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentageOfNewVehicleSalesVolume" xlink:label="loc_gpi_PercentageOfNewVehicleSalesVolume_FA4A9CD232325EB4FFE04833955604B5" xlink:type="locator" />
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    <link:label id="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285_verboseLabel_en-US" xlink:label="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Company's new vehicle sales volume more than which no other manufacturer accounted for</link:label>
    <link:label id="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285_label_en-US" xlink:label="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Company's New Vehicle Sales Volume More Than Which No Other Manufacturer Accounted for</link:label>
    <link:label id="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285_documentation_en-US" xlink:label="lab_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of Company's new vehicle sales volume more then which no other manufacturer accounted for.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor" xlink:label="loc_gpi_PercentageofCompanysNewVehicleSalesVolumeMoreThanWhichNoOtherManufacturerAccountedfor_6E1E67FF8D7B1CD369D848339556A285" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccountsReceivableGrossCurrent_A960E42304D004CF711D483395565492_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent_A960E42304D004CF711D483395565492" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts Receivable, Gross, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_A960E42304D004CF711D483395565492" xlink:type="locator" />
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    <link:label id="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883_verboseLabel_en-US" xlink:label="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share in company receivable balance</link:label>
    <link:label id="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883_label_en-US" xlink:label="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Amounts Due from Manufacturers</link:label>
    <link:label id="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883_documentation_en-US" xlink:label="lab_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of amounts due from manufacturers.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentageOfAmountsDueFromManufacturers" xlink:label="loc_gpi_PercentageOfAmountsDueFromManufacturers_AB5FF72E92FAB5D9C04948339556B883" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InterestPaid_B613E051788DD7775A6748339556328D_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestPaid_B613E051788DD7775A6748339556328D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Interest paid</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromIncomeTaxRefunds_ED6BCEDCE6257ABC8275483395565DAF_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIncomeTaxRefunds_ED6BCEDCE6257ABC8275483395565DAF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income taxes refundable</link:label>
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    <link:label id="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63_verboseLabel_en-US" xlink:label="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of change in loss reserve due to change in actuarial loss rate per employee</link:label>
    <link:label id="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63_label_en-US" xlink:label="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Change in Loss Reserve due to Change in Actuarial Loss Rate per Employee</link:label>
    <link:label id="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63_documentation_en-US" xlink:label="lab_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of change in loss reserve due to change in actuarial loss rate per employee.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee" xlink:label="loc_gpi_PercentageOfChangeInLossReserveDueToChangeInActuarialLossRatePerEmployee_FBD73F8E8885819A1D0848339556ED63" xlink:type="locator" />
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    <link:label id="lab_gpi_SensitivityInWorkersCompensationAndGeneralLiabilityReserve_CD1D6DDF6C4DCF66557F483395569640_verboseLabel_en-US" xlink:label="lab_gpi_SensitivityInWorkersCompensationAndGeneralLiabilityReserve_CD1D6DDF6C4DCF66557F483395569640" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Change in loss reserve due to change in actuarial loss rate per employee</link:label>
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    <link:label id="lab_gpi_PerOccurrenceCompanyDeductible_084BE86A433C28312D2A48339556F1D1_terseLabel_en-US" xlink:label="lab_gpi_PerOccurrenceCompanyDeductible_084BE86A433C28312D2A48339556F1D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Per Occurrence Company Deductible</link:label>
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    <link:label id="lab_gpi_PerOccurrenceCompanyDeductible_084BE86A433C28312D2A48339556F1D1_documentation_en-US" xlink:label="lab_gpi_PerOccurrenceCompanyDeductible_084BE86A433C28312D2A48339556F1D1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Layer of coverage on the Company's auto physical damage insurance</link:label>
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    <link:label id="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8_terseLabel_en-US" xlink:label="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate deductible</link:label>
    <link:label id="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8_label_en-US" xlink:label="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate deductible</link:label>
    <link:label id="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8_documentation_en-US" xlink:label="lab_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate deductible</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Aggregatedeductible" xlink:label="loc_gpi_Aggregatedeductible_19FE9262DCEB1015237E4833956088C8" xlink:type="locator" />
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    <link:label id="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12_terseLabel_en-US" xlink:label="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum payout under first layer</link:label>
    <link:label id="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12_label_en-US" xlink:label="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum payout under first layer</link:label>
    <link:label id="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12_documentation_en-US" xlink:label="lab_gpi_Maximumpayoutunderfirstlayer_96380E377B460228F808483395605E12" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum payout under first layer</link:label>
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    <link:label id="lab_gpi_LimitedExposureInNoStopLossPlanPerOccurrence_C09C80972119216113E3483395606D1B_verboseLabel_en-US" xlink:label="lab_gpi_LimitedExposureInNoStopLossPlanPerOccurrence_C09C80972119216113E3483395606D1B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Limited exposure in no stop loss plan per occurrence</link:label>
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    <link:label id="lab_gpi_LimitedExposureInNoStopLossPlanPerOccurrence_C09C80972119216113E3483395606D1B_documentation_en-US" xlink:label="lab_gpi_LimitedExposureInNoStopLossPlanPerOccurrence_C09C80972119216113E3483395606D1B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Limited exposure in no stop loss plan per occurrence.</link:label>
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    <link:label id="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321_terseLabel_en-US" xlink:label="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount Accrued for Stop Loss Plans</link:label>
    <link:label id="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321_label_en-US" xlink:label="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Accrued for Stop Loss Plans</link:label>
    <link:label id="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321_documentation_en-US" xlink:label="lab_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Accrued for Stop Loss Plans</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_AmountAccruedforStopLossPlans" xlink:label="loc_gpi_AmountAccruedforStopLossPlans_CD78938EF97DC989F6E448339560B321" xlink:type="locator" />
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    <link:label id="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F_terseLabel_en-US" xlink:label="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount Accrued for No Stop Loss Plans</link:label>
    <link:label id="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F_label_en-US" xlink:label="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount Accrued for No Stop Loss Plans</link:label>
    <link:label id="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F_documentation_en-US" xlink:label="lab_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount Accrued for No Stop Loss Plans</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_AmountAccruedforNoStopLossPlans" xlink:label="loc_gpi_AmountAccruedforNoStopLossPlans_FEE295210A24FF5EF78A48339560EE4F" xlink:type="locator" />
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    <link:label id="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203_verboseLabel_en-US" xlink:label="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Maximum potential loss exposure under all of the Stop Loss Plans before consideration of amounts previously paid or accruals recorded</link:label>
    <link:label id="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203_label_en-US" xlink:label="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum Potential Loss Exposure Under All of the Stop Loss Plans Before Consideration of Amounts Previously Paid or Accruals Recorded</link:label>
    <link:label id="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203_documentation_en-US" xlink:label="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum potential loss exposure under all of the Stop Loss Plans before consideration of amounts previously paid or accruals recorded.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded" xlink:label="loc_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:to="lab_gpi_MaximumPotentialLossExposureUnderAllOfStopLossPlansBeforeConsiderationOfAmountsPreviouslyPaidOrAccrualsRecorded_A3BDC1092F7EFE40ADCA48339560F203" xlink:type="arc" />
    <link:label id="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A_verboseLabel_en-US" xlink:label="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Remaining potential loss exposure in Stop Loss Plan</link:label>
    <link:label id="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A_label_en-US" xlink:label="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Remaining Potential Loss Exposure in Stop Loss Plan</link:label>
    <link:label id="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A_documentation_en-US" xlink:label="lab_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Remaining Potential Loss Exposure in Stop Loss Plan.</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_RemainingPotentialLossExposureInStopLossPlan" xlink:label="loc_gpi_RemainingPotentialLossExposureInStopLossPlan_A7B00B9469B92971FA9C48339560B49A" xlink:type="locator" />
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    <link:label id="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F_terseLabel_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, long-term</link:label>
    <link:label id="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F_label_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, long-term</link:label>
    <link:label id="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F_documentation_en-US" xlink:label="lab_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reclassified debt issuance costs, long-term</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Reclassifieddebtissuancecostslongterm" xlink:label="loc_gpi_Reclassifieddebtissuancecostslongterm_805552207BF27CEEB1F6483395600A3F" xlink:type="locator" />
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    <link:label id="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A_terseLabel_en-US" xlink:label="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassified current deferred tax assets</link:label>
    <link:label id="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A_label_en-US" xlink:label="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassified current deferred tax assets</link:label>
    <link:label id="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A_documentation_en-US" xlink:label="lab_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reclassified current deferred tax assets</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Reclassifiedcurrentdeferredtaxassets" xlink:label="loc_gpi_Reclassifiedcurrentdeferredtaxassets_056EC9CF89A54D024191483395604C7A" xlink:type="locator" />
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    <link:label id="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36_terseLabel_en-US" xlink:label="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle days supply</link:label>
    <link:label id="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36_label_en-US" xlink:label="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used vehicle days supply</link:label>
    <link:label id="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36_documentation_en-US" xlink:label="lab_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Used vehicle days supply</link:label>
    <link:loc xlink:href="gpi-20161231.xsd#gpi_Usedvehicledayssupply" xlink:label="loc_gpi_Usedvehicledayssupply_4D1CF9FF822176B8DB4F483395600B36" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_3518825C9405D0814DCE43D85837AAE8_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAbstract_3518825C9405D0814DCE43D85837AAE8" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Federal, state and foreign income taxes</link:label>
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    <link:label id="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D_terseLabel_en-US" xlink:label="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Recession scenario [Member]</link:label>
    <link:label id="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D_label_en-US" xlink:label="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recession scenario [Member]</link:label>
    <link:label id="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D_documentation_en-US" xlink:label="lab_gpi_RecessionscenarioMember_F55EB7A8EB806662A7BD43D85716D01D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Recession scenario [Member]</link:label>
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    <link:label id="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2_terseLabel_en-US" xlink:label="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assumption scenario [Line Items]</link:label>
    <link:label id="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2_label_en-US" xlink:label="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assumption scenario [Line Items]</link:label>
    <link:label id="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2_documentation_en-US" xlink:label="lab_gpi_AssumptionscenarioLineItems_E715538737E9134A60D243D85716AFD2" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Line Items] for Assumption scenario [Table]</link:label>
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    <link:label id="lab_us-gaap_OtherAssetImpairmentCharges_62DE83D5569B3633918643D85716E58A_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetImpairmentCharges_62DE83D5569B3633918643D85716E58A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Asset Impairment Charges</link:label>
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    <link:label id="lab_us-gaap_ImpairmentOfRealEstate_DC90495CEA3448708B7943D8571B8391_verboseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfRealEstate_DC90495CEA3448708B7943D8571B8391" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pre-tax impairment charges of real estate</link:label>
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    <link:label id="lab_gpi_IncreaseInAssumedRiskFreeRateToEstimateWacc_9455ED7420071A302FA843D8571C001A_verboseLabel_en-US" xlink:label="lab_gpi_IncreaseInAssumedRiskFreeRateToEstimateWacc_9455ED7420071A302FA843D8571C001A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increase in assumed risk free rate to estimate WACC</link:label>
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    <link:label id="lab_gpi_Additionalfranchiserightsimpairmentcharge_0E46C84199E40055192743D8571C6740_terseLabel_en-US" xlink:label="lab_gpi_Additionalfranchiserightsimpairmentcharge_0E46C84199E40055192743D8571C6740" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional franchise rights impairment charge</link:label>
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    <link:label id="lab_gpi_Additionalfranchiserightsimpairmentcharge_0E46C84199E40055192743D8571C6740_documentation_en-US" xlink:label="lab_gpi_Additionalfranchiserightsimpairmentcharge_0E46C84199E40055192743D8571C6740" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional franchise rights impairment charge</link:label>
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    <link:label id="lab_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_7A3F27729AB3ECF8BB6D43D8571CE9F4_verboseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_7A3F27729AB3ECF8BB6D43D8571CE9F4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Pre tax impairment charges of other long lived assets</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_4B2FE2DA09A10B06746143D8582FD0DF_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract_4B2FE2DA09A10B06746143D8582FD0DF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Difference between the income tax computation by the company and the statutory body</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_D1AACAE26A4FA03E143E43D858302122_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_D1AACAE26A4FA03E143E43D858302122" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">State income tax, net of benefit for federal deduction</link:label>
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