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    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_83C6F49ED97A4547D5B765275A50F660_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_4B3D581EC44C5DBD8A3B40AF02B4CB43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_4B3D581EC44C5DBD8A3B40AF02B4CB43" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_BBECD3798091157A5A1F65275A50A99E_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_27A637E62D4E5462AF3A9A0A2CD87484" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeAxis_BBECD3798091157A5A1F65275A50A99E_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeAxis_27A637E62D4E5462AF3A9A0A2CD87484" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Axis]</link:label>
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    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_D529D07F0034543824D265275A51E120_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_3F81A1AF330B57C1A5F39497C2273BE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_D529D07F0034543824D265275A51E120_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain_3F81A1AF330B57C1A5F39497C2273BE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Type [Domain]</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditMember_738998646376203A891165275A512473_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_F286467840525704A8AAF12E45C83418" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentAxis_74BCC4CC2799FEBB547065275A51E66E_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_FF1EE578D2FE573EB104C754966C1555" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_74BCC4CC2799FEBB547065275A51E66E_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_FF1EE578D2FE573EB104C754966C1555" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_9A9993C3143A0180FAC865275A51F5FE_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_29C26714B228532BB10771F9B1B095DC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
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    <link:label id="lab_gpi_OtherNonManufacturerAffiliateFacilitiesMember_66FC51CDAE28B62682D265275A52DDF7_terseLabel_en-US" xlink:label="lab_gpi_OtherNonManufacturerAffiliateFacilitiesMember_DD21DF9489065158AB6CD16C7C047266" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other non-manufacturer facilities</link:label>
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    <link:label id="lab_gpi_FloorplanNotesPayableandOtherMember_38735CE29CDEB71E70BC65275A52C17E_terseLabel_en-US" xlink:label="lab_gpi_FloorplanNotesPayableandOtherMember_F16700689B2B5931B44153D4953F4D14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan notes payable &#8212; credit facility and other, net</link:label>
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    <link:label id="lab_gpi_FMCCFacilityMember_B4942D6D8CEA25B51D0865275A52880B_terseLabel_en-US" xlink:label="lab_gpi_FMCCFacilityMember_BE7120ABF563576CA8B94D433817F6D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FMCC facility</link:label>
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    <link:label id="lab_gpi_OtherManufacturerAffiliateFacilitiesMember_48721DEF9C1DBC138DF865275A522B2E_terseLabel_en-US" xlink:label="lab_gpi_OtherManufacturerAffiliateFacilitiesMember_14AF6766626D56DDA34ADD93B42A5DEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other manufacturer affiliate facilities</link:label>
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    <link:label id="lab_gpi_FloorplanNotesPayableManufacturerAffiliatesMember_A4E900AB1DABDDCDC06C65275A534BA6_terseLabel_en-US" xlink:label="lab_gpi_FloorplanNotesPayableManufacturerAffiliatesMember_E66C48F899095348A03AD63515440F32" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan notes payable &#8212; manufacturer affiliates, net</link:label>
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    <link:label id="lab_gpi_LongTermDebtAndCapitalLeaseObligationsExcludingShortTermFinancingCurrent_D296520A05855A2547E491E333A77A66_negatedTerseLabel_en-US" xlink:label="lab_gpi_LongTermDebtAndCapitalLeaseObligationsExcludingShortTermFinancingCurrent_D296520A05855A2547E491E333A77A66" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Less: current maturities</link:label>
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0CB971DA6F892C174796585ED5E893CA_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_0CB971DA6F892C174796585ED5E893CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Recurring and Nonrecurring [Table]</link:label>
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    <link:label id="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3610235908F7B99B1B8B585ED5EB9791_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_3610235908F7B99B1B8B585ED5EB9791" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated income (loss) on interest rate swaps</link:label>
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    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_0A01159ABC84F4D97D8E585ED5EB71F1_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis_0A01159ABC84F4D97D8E585ED5EB71F1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
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    <link:label id="lab_gpi_NewAndUsedVehiclesMember_9F4675096A2864723D124467C326D9FE_terseLabel_en-US" xlink:label="lab_gpi_NewAndUsedVehiclesMember_9F4675096A2864723D124467C326D9FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total new and used vehicle sales</link:label>
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    <link:label id="lab_gpi_NewVehiclesMember_63F45D725188C99DAE03775DC6F8C665_terseLabel_en-US" xlink:label="lab_gpi_NewVehiclesMember_63F45D725188C99DAE03775DC6F8C665" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Vehicles</link:label>
    <link:label id="lab_gpi_NewVehiclesMember_63F45D725188C99DAE03775DC6F8C665_label_en-US" xlink:label="lab_gpi_NewVehiclesMember_63F45D725188C99DAE03775DC6F8C665" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicles [Member]</link:label>
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    <link:label id="lab_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E_terseLabel_en-US" xlink:label="lab_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used Vehicles</link:label>
    <link:label id="lab_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E_label_en-US" xlink:label="lab_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E" 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_D0661C0D7D9DF32CDCA5775DC6F8C14E_documentation_en-US" xlink:label="lab_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Used Vehicles [Member]</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_UsedVehiclesMember" xlink:label="loc_gpi_UsedVehiclesMember_D0661C0D7D9DF32CDCA5775DC6F8C14E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_1BE1CAB613CBC9941FC8775DC6F8A361_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_1BE1CAB613CBC9941FC8775DC6F8A361" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_1BE1CAB613CBC9941FC8775DC6F8A361_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_1BE1CAB613CBC9941FC8775DC6F8A361" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_1BE1CAB613CBC9941FC8775DC6F8A361" xlink:type="locator" />
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    <link:label id="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B_terseLabel_en-US" xlink:label="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Credit Facilities</link:label>
    <link:label id="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B_label_en-US" xlink:label="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Credit Facilities [Member]</link:label>
    <link:label id="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B_documentation_en-US" xlink:label="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Credit Facilities [Member]</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_OtherCreditFacilitiesMember" xlink:label="loc_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:to="lab_gpi_OtherCreditFacilitiesMember_C7002A058696839ACB4A775DC6F86C4B" xlink:type="arc" />
    <link:label id="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE_terseLabel_en-US" xlink:label="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan Line</link:label>
    <link:label id="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE_label_en-US" xlink:label="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility, Floorplan Line [Member]</link:label>
    <link:label id="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE_documentation_en-US" xlink:label="lab_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility, Floorplan Line [Member]</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_RevolvingCreditFacilityFloorplanLineMember" xlink:label="loc_gpi_RevolvingCreditFacilityFloorplanLineMember_5CEEEBA2037709B61790775DC6F99ABE" xlink:type="locator" />
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    <link:label id="lab_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA_terseLabel_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UK Credit Facilities</link:label>
    <link:label id="lab_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA_label_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA" 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_FA1832B10E581CC98916775DC6F977EA_documentation_en-US" xlink:label="lab_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA" 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-20200630.xsd#gpi_UKCreditFacilitiesMember" xlink:label="loc_gpi_UKCreditFacilitiesMember_FA1832B10E581CC98916775DC6F977EA" xlink:type="locator" />
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    <link:label id="lab_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F_terseLabel_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Brazilian Credit Facilities</link:label>
    <link:label id="lab_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F_label_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F" 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_0C8E634CB35C9DA1E8DE775DC6F91B1F_documentation_en-US" xlink:label="lab_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F" 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-20200630.xsd#gpi_BrazilianCreditFacilityMember" xlink:label="loc_gpi_BrazilianCreditFacilityMember_0C8E634CB35C9DA1E8DE775DC6F91B1F" xlink:type="locator" />
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    <link:label id="lab_gpi_RentalVehicleCreditFacilityMember_3E7BCF98BF62E7DD5EA7775DC6FA728B_terseLabel_en-US" xlink:label="lab_gpi_RentalVehicleCreditFacilityMember_3E7BCF98BF62E7DD5EA7775DC6FA728B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rental Vehicles Financed through Credit Facility</link:label>
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    <link:label id="lab_gpi_RentalVehicleCreditFacilityMember_3E7BCF98BF62E7DD5EA7775DC6FA728B_documentation_en-US" xlink:label="lab_gpi_RentalVehicleCreditFacilityMember_3E7BCF98BF62E7DD5EA7775DC6FA728B" 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-20200630.xsd#gpi_RentalVehicleCreditFacilityMember" xlink:label="loc_gpi_RentalVehicleCreditFacilityMember_3E7BCF98BF62E7DD5EA7775DC6FA728B" xlink:type="locator" />
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    <link:label id="lab_srt_RangeAxis_8DBE6FB9E4AED809E1D6775DC6FA3127_terseLabel_en-US" xlink:label="lab_srt_RangeAxis_8DBE6FB9E4AED809E1D6775DC6FA3127" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_8DBE6FB9E4AED809E1D6775DC6FA3127_label_en-US" xlink:label="lab_srt_RangeAxis_8DBE6FB9E4AED809E1D6775DC6FA3127" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
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    <link:label id="lab_srt_MaximumMember_0DA49A78C23C133D01E2775DC6FB8372_label_en-US" xlink:label="lab_srt_MaximumMember_0DA49A78C23C133D01E2775DC6FB8372" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D01607E9938DBB3B5340775DC6FB1139_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D01607E9938DBB3B5340775DC6FB1139" 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/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D01607E9938DBB3B5340775DC6FB1139" xlink:type="locator" />
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    <link:label id="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AB935D6E39AA0A7FB7F3775DC6FC3B23_terseLabel_en-US" xlink:label="lab_gpi_LineOfCreditFacilityMinimumBorrowingCapacity_AB935D6E39AA0A7FB7F3775DC6FC3B23" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum borrowing capacity</link:label>
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    <link:label id="lab_gpi_LineOfCreditFacilitySublimit_09B6ADF6D552B8729535775DC6FB8912_terseLabel_en-US" xlink:label="lab_gpi_LineOfCreditFacilitySublimit_09B6ADF6D552B8729535775DC6FB8912" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sub-limit for letters of credit</link:label>
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    <link:label id="lab_gpi_LineOfCreditFacilitySublimit_09B6ADF6D552B8729535775DC6FB8912_documentation_en-US" xlink:label="lab_gpi_LineOfCreditFacilitySublimit_09B6ADF6D552B8729535775DC6FB8912" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Sub-limit</link:label>
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_ED5E2178ED55A7C60F62775DC6FB8666_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_ED5E2178ED55A7C60F62775DC6FB8666" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding letters of credit</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FA56D603E1D9C1DDD0AC775DC6FB731A_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_FA56D603E1D9C1DDD0AC775DC6FB731A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable rate (as a percentage)</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_B534FE4E97653E10A327775DC6FC1DFB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_B534FE4E97653E10A327775DC6FC1DFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized discount</link:label>
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    <link:label id="lab_us-gaap_ReceivablesAbstract_D55D1CC56FBBA13A9AB2A4F9F93F5FBF_label_en-US" xlink:label="lab_us-gaap_ReceivablesAbstract_099482D760AA5A2BBE87A5CDF5D3243A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables [Abstract]</link:label>
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    <link:label id="lab_us-gaap_OperatingLeaseImpairmentLoss_CBD4DE64A8D94D29F11E78F2C19C1F56_netLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseImpairmentLoss_CBD4DE64A8D94D29F11E78F2C19C1F56" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="en-US">ROU asset impairment charges</link:label>
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    <link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_1008589BD89BA5C71FB6775DC6CE50ED_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_1008589BD89BA5C71FB6775DC6CE50ED" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated income (loss) on foreign currency translation</link:label>
    <link:label id="lab_us-gaap_AccumulatedTranslationAdjustmentMember_1008589BD89BA5C71FB6775DC6CE50ED_label_en-US" xlink:label="lab_us-gaap_AccumulatedTranslationAdjustmentMember_1008589BD89BA5C71FB6775DC6CE50ED" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Foreign Currency Adjustment Attributable to Parent [Member]</link:label>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_CA8DFE973B42958ACFD7775DC6CEBABE_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_CA8DFE973B42958ACFD7775DC6CEBABE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Axis]</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_CA8DFE973B42958ACFD7775DC6CEBABE_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationAxis_CA8DFE973B42958ACFD7775DC6CEBABE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationAxis" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_CA8DFE973B42958ACFD7775DC6CEBABE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_23ED18FE4EDD9688A0BC775DC6CE783A_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_23ED18FE4EDD9688A0BC775DC6CE783A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Domain]</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_23ED18FE4EDD9688A0BC775DC6CE783A_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLocationDomain_23ED18FE4EDD9688A0BC775DC6CE783A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income Location [Domain]</link:label>
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    <link:label id="lab_gpi_FloorplanInterestExpenseMember_9E804CF3ACA3EE1EB067775DC6CE8214_verboseLabel_en-US" xlink:label="lab_gpi_FloorplanInterestExpenseMember_9E804CF3ACA3EE1EB067775DC6CE8214" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Floorplan interest expense (pre-tax)</link:label>
    <link:label id="lab_gpi_FloorplanInterestExpenseMember_9E804CF3ACA3EE1EB067775DC6CE8214_label_en-US" xlink:label="lab_gpi_FloorplanInterestExpenseMember_9E804CF3ACA3EE1EB067775DC6CE8214" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floorplan Interest Expense [Member]</link:label>
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    <link:label id="lab_us-gaap_InterestExpenseMember_151A84F9E453EEB40087775DC6CFA316_verboseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseMember_151A84F9E453EEB40087775DC6CFA316" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other interest expense, net (pre-tax)</link:label>
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_96151E066E872D0B840D775DC6CF4580_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_96151E066E872D0B840D775DC6CF4580" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_96151E066E872D0B840D775DC6CF4580_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_96151E066E872D0B840D775DC6CF4580" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_96151E066E872D0B840D775DC6CF4580" xlink:type="locator" />
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    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_AE956B569C03A4D600DC775DC6CF3B5C_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_AE956B569C03A4D600DC775DC6CF3B5C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in AOCI [Roll Forward]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_AE956B569C03A4D600DC775DC6CF3B5C" xlink:type="locator" />
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    <link:label id="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C_terseLabel_en-US" xlink:label="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss) before reclassifications:</link:label>
    <link:label id="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C_label_en-US" xlink:label="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Before Reclassification [Abstract]</link:label>
    <link:label id="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C_documentation_en-US" xlink:label="lab_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Before Reclassification [Abstract]</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract" xlink:label="loc_gpi_OtherComprehensiveIncomeLossBeforeReclassificationAbstract_78F7899F289836C1370B775DC6D0026C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_68D7F90646079AB1BEF9775DC6D0FC30_terseLabel_en-US" xlink:label="lab_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_68D7F90646079AB1BEF9775DC6D0FC30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pre-tax</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D1A0E4DCB19781146A86A57A8974AAE2_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D1A0E4DCB19781146A86A57A8974AAE2" 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/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D1A0E4DCB19781146A86A57A8974AAE2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D1A0E4DCB19781146A86A57A8974AAE2" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_D1A0E4DCB19781146A86A57A8974AAE2" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Accounts and notes receivables</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B" 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/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B" xlink:to="lab_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_69E0415484D501987992A57A8974C49B" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE" 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_9F547236C30397B3ACE2A57A89741DBE_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE" 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/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInRetailRelatedInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE" xlink:to="lab_us-gaap_IncreaseDecreaseInRetailRelatedInventories_9F547236C30397B3ACE2A57A89741DBE" xlink:type="arc" />
    <link:label id="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C_negatedLabel_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" 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_1C26638A691C08E22B11A57A89743C5C_label_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" 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_1C26638A691C08E22B11A57A89743C5C_documentation_en-US" xlink:label="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" 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-20200630.xsd#gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables" xlink:label="loc_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" xlink:to="lab_gpi_IncreaseDecreaseInContractsInTransitAndVehicleReceivables_1C26638A691C08E22B11A57A89743C5C" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Prepaid expenses and other assets</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Prepaid Expense and Other Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D" xlink:to="lab_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_A23E8D37744D136B66EAA57A8975BA4D" xlink:type="arc" />
    <link:label id="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575_negatedTerseLabel_en-US" xlink:label="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" 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_5B3913924C3B384CE208A57A8975F575_label_en-US" xlink:label="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">(Increase) Decrease Floor Plan Notes</link:label>
    <link:label id="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575_documentation_en-US" xlink:label="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" 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-20200630.xsd#gpi_IncreaseDecreaseFloorPlanNotes" xlink:label="loc_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" xlink:to="lab_gpi_IncreaseDecreaseFloorPlanNotes_5B3913924C3B384CE208A57A8975F575" xlink:type="arc" />
    <link:label id="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenues</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Contract with Customer, Liability</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4" xlink:to="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_C9CAEFB3A0C5472BA9A3A57A8975BBE4" xlink:type="arc" />
    <link:label id="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4_negatedTerseLabel_en-US" xlink:label="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Operating lease liabilities</link:label>
    <link:label id="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4_label_en-US" xlink:label="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Operating Lease Liability</link:label>
    <link:label id="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4_documentation_en-US" xlink:label="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Increase (Decrease) In Operating Lease Liability</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_IncreaseDecreaseInOperatingLeaseLiability" xlink:label="loc_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:to="lab_gpi_IncreaseDecreaseInOperatingLeaseLiability_6BE5C049DA28024CC79DA57A8975F7B4" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C" 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>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_DCD12BB6F4591F654905A57A8975643C" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD" 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_1567A5DD904E39E6D047A57A8975ADAD_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD" 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>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_1567A5DD904E39E6D047A57A8975ADAD" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Cash paid in acquisitions, net of cash received</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604" xlink:to="lab_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_052332A02CB937FC1CB4A57A89757604" xlink:type="arc" />
    <link:label id="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759_terseLabel_en-US" xlink:label="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from disposition of franchises, property and equipment</link:label>
    <link:label id="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759_label_en-US" xlink:label="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Disposition Of Franchise Property And Equipment</link:label>
    <link:label id="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759_documentation_en-US" xlink:label="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cash inflow from the sale of long-lived physical assets, dealership franchises, and related real estate, as applicable.</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment" xlink:label="loc_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:to="lab_gpi_ProceedsFromDispositionOfFranchisePropertyAndEquipment_2D381B672CABCB117B28A57A89760759" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Purchases of property and equipment</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857" xlink:to="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_CD7604CF534D53D4B9BAA57A89768857" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7" 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_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_C49C0ACC6CDE413FAB21A57A89769BC7" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by (used in) investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_726B8B35ECB503A7FC5BA57A8976636A" xlink:type="arc" />
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CASH FLOWS FROM FINANCING ACTIVITIES:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9" 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>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_20FFC327C6B9484FAA86A57A8977CBA9" xlink:type="arc" />
    <link:label id="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2_terseLabel_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on credit facility &#8212; floorplan line and other</link:label>
    <link:label id="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2_label_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings On Credit Facility Floorplan Line</link:label>
    <link:label id="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2_documentation_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" 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-20200630.xsd#gpi_BorrowingsOnCreditFacilityFloorplanLine" xlink:label="loc_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" xlink:to="lab_gpi_BorrowingsOnCreditFacilityFloorplanLine_8BCDAC77CD9BECB0449FA57A897702C2" xlink:type="arc" />
    <link:label id="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794_negatedLabel_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments on credit facility &#8212; floorplan line and other</link:label>
    <link:label id="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794_label_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments On Credit Facility Floorplan Line</link:label>
    <link:label id="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794_documentation_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794" 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-20200630.xsd#gpi_RepaymentsOnCreditFacilityFloorplanLine" xlink:label="loc_gpi_RepaymentsOnCreditFacilityFloorplanLine_22B498CDAF844B59B314A57A89773794" xlink:type="locator" />
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    <link:label id="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338_terseLabel_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on credit facility &#8212; acquisition line</link:label>
    <link:label id="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338_label_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Borrowings on Credit Facility Acquisition Line</link:label>
    <link:label id="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338_documentation_en-US" xlink:label="lab_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Borrowings on credit facility acquisition line.</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_BorrowingsOnCreditFacilityAcquisitionLine" xlink:label="loc_gpi_BorrowingsOnCreditFacilityAcquisitionLine_BCB262EEC5EA0B844B8CA57A8977F338" xlink:type="locator" />
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    <link:label id="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2_negatedLabel_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments on credit facility &#8212; acquisition line</link:label>
    <link:label id="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2_label_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments on Credit Facility Acquisition Line</link:label>
    <link:label id="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2_documentation_en-US" xlink:label="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" 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-20200630.xsd#gpi_RepaymentsOnCreditFacilityAcquisitionLine" xlink:label="loc_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" xlink:to="lab_gpi_RepaymentsOnCreditFacilityAcquisitionLine_05B214E41A876EB460B8A57A8977C9B2" xlink:type="arc" />
    <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Debt issue costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Debt Issuance Costs</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8" xlink:to="lab_us-gaap_PaymentsOfDebtIssuanceCosts_BD5E2A1988CD5FF777A8A57A897711F8" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayments of senior notes</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Senior Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369" xlink:to="lab_us-gaap_RepaymentsOfSeniorDebt_5009C64FC4C23649C574A57A89787369" xlink:type="arc" />
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on other debt</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_BC24AF8EB43B3F0E7092A57A8978C9F6" xlink:type="arc" />
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal payments on other debt</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Other Long-term Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfOtherLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3" xlink:to="lab_us-gaap_RepaymentsOfOtherLongTermDebt_EC3EE339B9510AEC189AA57A8978D1E3" xlink:type="arc" />
    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63_terseLabel_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings on debt related to real estate</link:label>
    <link:label id="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63_label_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" 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_1A2E19A19EA5BA0425BBA57A8978AA63_documentation_en-US" xlink:label="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" 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-20200630.xsd#gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans" xlink:label="loc_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" xlink:to="lab_gpi_BorrowingsOfLongTermDebtRelatedToRealEstateLoans_1A2E19A19EA5BA0425BBA57A8978AA63" xlink:type="arc" />
    <link:label id="lab_gpi_PrincipalPaymentsOfLongTermDebtRelatedToRealEstateLoans_E8DF3A2989D98C92A80DA57A8978E70C_negatedLabel_en-US" xlink:label="lab_gpi_PrincipalPaymentsOfLongTermDebtRelatedToRealEstateLoans_E8DF3A2989D98C92A80DA57A8978E70C" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Principal payments on debt related to real estate</link:label>
    <link:label id="lab_gpi_PrincipalPaymentsOfLongTermDebtRelatedToRealEstateLoans_E8DF3A2989D98C92A80DA57A8978E70C_label_en-US" xlink:label="lab_gpi_PrincipalPaymentsOfLongTermDebtRelatedToRealEstateLoans_E8DF3A2989D98C92A80DA57A8978E70C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Principal Payments Of Long Term Debt Related To Real Estate Loans</link:label>
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    <link:label id="lab_gpi_AmountsDueFromManufacturersMember_0998F681CD87BA72F6FE775DC7AEC8FE_label_en-US" xlink:label="lab_gpi_AmountsDueFromManufacturersMember_0998F681CD87BA72F6FE775DC7AEC8FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amounts Due From Manufacturers [Member]</link:label>
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    <link:label id="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF_verboseLabel_en-US" xlink:label="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Parts and service receivables</link:label>
    <link:label id="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF_label_en-US" xlink:label="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parts And Service Receivables [Member]</link:label>
    <link:label id="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF_documentation_en-US" xlink:label="lab_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Parts and service receivables.</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_PartsAndServiceReceivablesMember" xlink:label="loc_gpi_PartsAndServiceReceivablesMember_283A9C47790A2814B6C0775DC7AEF1EF" xlink:type="locator" />
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    <link:label id="lab_gpi_FinanceAndInsuranceReceivablesNetMember_70DB08689A698DCF8EC8775DC7AEBEEE_label_en-US" xlink:label="lab_gpi_FinanceAndInsuranceReceivablesNetMember_70DB08689A698DCF8EC8775DC7AEBEEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finance And Insurance Receivables Net [Member]</link:label>
    <link:label id="lab_gpi_FinanceAndInsuranceReceivablesNetMember_70DB08689A698DCF8EC8775DC7AEBEEE_documentation_en-US" xlink:label="lab_gpi_FinanceAndInsuranceReceivablesNetMember_70DB08689A698DCF8EC8775DC7AEBEEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finance and insurance receivables net.</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_FinanceAndInsuranceReceivablesNetMember" xlink:label="loc_gpi_FinanceAndInsuranceReceivablesNetMember_70DB08689A698DCF8EC8775DC7AEBEEE" xlink:type="locator" />
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    <link:label id="lab_gpi_OtherReceivableMember_B3A300510FE168E8BA05775DC7AE668A_verboseLabel_en-US" xlink:label="lab_gpi_OtherReceivableMember_B3A300510FE168E8BA05775DC7AE668A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_gpi_OtherReceivableMember_B3A300510FE168E8BA05775DC7AE668A_documentation_en-US" xlink:label="lab_gpi_OtherReceivableMember_B3A300510FE168E8BA05775DC7AE668A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other receivable.</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_OtherReceivableMember" xlink:label="loc_gpi_OtherReceivableMember_B3A300510FE168E8BA05775DC7AE668A" xlink:type="locator" />
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    <link:label id="lab_gpi_ContractsInTransitGross_DA5301760DB1FACBA856775DC7AF112B_terseLabel_en-US" xlink:label="lab_gpi_ContractsInTransitGross_DA5301760DB1FACBA856775DC7AF112B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contracts-in-transit</link:label>
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    <link:label id="lab_gpi_ContractsInTransitGross_DA5301760DB1FACBA856775DC7AF112B_documentation_en-US" xlink:label="lab_gpi_ContractsInTransitGross_DA5301760DB1FACBA856775DC7AF112B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contracts In Transit, Gross</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_ContractsInTransitGross" xlink:label="loc_gpi_ContractsInTransitGross_DA5301760DB1FACBA856775DC7AF112B" xlink:type="locator" />
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    <link:label id="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42_terseLabel_en-US" xlink:label="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vehicle receivables</link:label>
    <link:label id="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42_label_en-US" xlink:label="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vehicle Receivables, Gross</link:label>
    <link:label id="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42_documentation_en-US" xlink:label="lab_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Vehicle Receivables, Gross</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_VehicleReceivablesGross" xlink:label="loc_gpi_VehicleReceivablesGross_B01DC5AF92F5BFA564AE775DC7AF3D42" xlink:type="locator" />
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    <link:label id="lab_gpi_ContractsInTransitAndVehicleReceivablesGross_10AB1EDF868EC29092E0775DC7AF8902_totalLabel_en-US" xlink:label="lab_gpi_ContractsInTransitAndVehicleReceivablesGross_10AB1EDF868EC29092E0775DC7AF8902" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total contracts-in-transit and vehicle receivables</link:label>
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    <link:label id="lab_gpi_ContractsInTransitAndVehicleReceivablesGross_10AB1EDF868EC29092E0775DC7AF8902_documentation_en-US" xlink:label="lab_gpi_ContractsInTransitAndVehicleReceivablesGross_10AB1EDF868EC29092E0775DC7AF8902" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contracts In Transit And Vehicle Receivables, Gross</link:label>
    <link:loc xlink:href="gpi-20200630.xsd#gpi_ContractsInTransitAndVehicleReceivablesGross" xlink:label="loc_gpi_ContractsInTransitAndVehicleReceivablesGross_10AB1EDF868EC29092E0775DC7AF8902" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_97162E51A8138EFDD0A2775DC7B0767A_terseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivable_97162E51A8138EFDD0A2775DC7B0767A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less: allowance for doubtful accounts</link:label>
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