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    <link:label id="lab_us-gaap_FranchiseRightsMember_9EBBDEC9AC1CC6EDB95D1C163F6AD249_terseLabel_en-US" xlink:label="lab_us-gaap_FranchiseRightsMember_9EBBDEC9AC1CC6EDB95D1C163F6AD249" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Franchise rights [Member]</link:label>
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    <link:label id="lab_an_FranchiseAgreementMinimumContractualTerm_51909686156290F1DBE21C163F6AFF3B_terseLabel_en-US" xlink:label="lab_an_FranchiseAgreementMinimumContractualTerm_51909686156290F1DBE21C163F6AFF3B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Franchise agreements, minimal contractual terms (in years)</link:label>
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3322144A622891304BEE1C163F6AA6BA_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_3322144A622891304BEE1C163F6AA6BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other intangibles, useful life</link:label>
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    <link:label id="lab_us-gaap_CostOfRevenue_3691841138F2C316EB42F8B56EF21B9E_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfRevenue_3691841138F2C316EB42F8B56EF21B9E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">TOTAL COST OF SALES (excluding depreciation shown below)</link:label>
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    <link:label id="lab_us-gaap_OperatingIncomeLoss_A11E611B6C0AE38FC397F8B56EF2A05B_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingIncomeLoss_A11E611B6C0AE38FC397F8B56EF2A05B" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">OPERATING INCOME</link:label>
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    <link:label id="lab_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_DCF3C7F6837442B17ED6FD61251B8918_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromInsuranceSettlementInvestingActivities_DCF3C7F6837442B17ED6FD61251B8918" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance recoveries on property and equipment</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_FBECB014A5CF2BEED672FD61251B29C3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_37E2134C8CCA25C0360DFD612525506D_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfSeniorLongTermDebt_37E2134C8CCA25C0360DFD612525506D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from 5.5% Senior Notes due 2020</link:label>
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    <link:label id="lab_an_InsuranceLiabilityReserveEstimatePolicyTextBlock_072565E4403333B815AC53DEFE68B6C0_terseLabel_en-US" xlink:label="lab_an_InsuranceLiabilityReserveEstimatePolicyTextBlock_072565E4403333B815AC53DEFE68B6C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance</link:label>
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    <link:label id="lab_us-gaap_EarningsPerSharePolicyTextBlock_5C0877A3D1E81DA17D7253DEFE681D61_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerSharePolicyTextBlock_5C0877A3D1E81DA17D7253DEFE681D61" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings (Loss) Per Share</link:label>
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    <link:loc xlink:href="an-20131231.xsd#an_FloorplanPayableAxis" xlink:label="loc_an_FloorplanPayableAxis_F87EF0BA9407AF5A8E6F044858E2AD86" xlink:type="locator" />
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    <link:label id="lab_an_TradeMember_C9A037A5035219D82C0A044858E271C3_label_en-US" xlink:label="lab_an_TradeMember_C9A037A5035219D82C0A044858E271C3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade [Member]</link:label>
    <link:label id="lab_an_TradeMember_C9A037A5035219D82C0A044858E271C3_documentation_en-US" xlink:label="lab_an_TradeMember_C9A037A5035219D82C0A044858E271C3" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts borrowed to finance the purchase of specific new vehicle inventories with the corresponding manufacturers' captive finance subsidiaries ("trade lenders").</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_TradeMember" xlink:label="loc_an_TradeMember_C9A037A5035219D82C0A044858E271C3" xlink:type="locator" />
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    <link:label id="lab_an_NonTradeMember_F0F6A1CB9F906127F30F044858E2BA2F_documentation_en-US" xlink:label="lab_an_NonTradeMember_F0F6A1CB9F906127F30F044858E2BA2F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amounts borrowed to finance specific new and, to a lesser extent, used vehicle inventories with non-trade lenders (lenders that are not finance captive subsidiaries of the manufacturer).</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAuthorizedForGrantToEachGrantee_415534E53DCE0718B9771D4E512951CD" xlink:to="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAuthorizedForGrantToEachGrantee_415534E53DCE0718B9771D4E512951CD" xlink:type="arc" />
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    <link:label id="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodExercisePrice_FB4B4879776AFD797A681D4E51295835_documentation_en-US" xlink:label="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodExercisePrice_FB4B4879776AFD797A681D4E51295835" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The price at which grantees can acquire shares reserved for issuance of stock options under equity incentive plans.</link:label>
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    <link:label id="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardTerm_555ABE8439603804E5E41D4E512961BD_terseLabel_en-US" xlink:label="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardTerm_555ABE8439603804E5E41D4E512961BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expiration period (in years)</link:label>
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    <link:label id="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardTerm_555ABE8439603804E5E41D4E512961BD_documentation_en-US" xlink:label="lab_an_ShareBasedCompensationArrangementByShareBasedPaymentAwardTerm_555ABE8439603804E5E41D4E512961BD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of years from the grant date in which share-based payment awards expire as specified in the award agreement.</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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_855725121934240A4DE01D4E5129B279" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_855725121934240A4DE01D4E5129B279" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options outstanding, Aggregate Intrinsic Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_CF1A06329B0E5C4FD22E1D4E51335DB5" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7CCC091D08800AC5D4B21D4E51331306_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7CCC091D08800AC5D4B21D4E51331306" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable, Shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7CCC091D08800AC5D4B21D4E51331306_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7CCC091D08800AC5D4B21D4E51331306" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_7CCC091D08800AC5D4B21D4E51331306" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_D9C44E6A3D8955530E0C1D4E51333FA6_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_D9C44E6A3D8955530E0C1D4E51333FA6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_D9C44E6A3D8955530E0C1D4E51333FA6" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable, Weighted-Average Remaining Contractual Term (Years)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_565E060CE4598B1DCAB11D4E513366E5" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_BA3562AD66ECE761832A1D4E51339C27_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_BA3562AD66ECE761832A1D4E51339C27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable, Aggregate Intrinsic Value</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_BA3562AD66ECE761832A1D4E51339C27_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_BA3562AD66ECE761832A1D4E51339C27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_BA3562AD66ECE761832A1D4E51339C27" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable and expected to vest thereafter, Shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber_2986969D3F381E11E2FA1D4E5133E72E" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable and expected to vest thereafter, Weighted-Average Exercise Price</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice_321DEFABB58E9755141A1D4E51335E30" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable and expected to vest thereafter, Weighted-Average Remaining Contractual Term (Years)</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_AD767F97F8FCD33C4F671D4E51330917" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options exercisable and expected to vest thereafter, Aggregate Intrinsic Value</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue_5C3FB626C03F41CF16281D4E51332892" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61085A3C20F63B6516BA1D4E51336316_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61085A3C20F63B6516BA1D4E51336316" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options available for future grants, Shares</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61085A3C20F63B6516BA1D4E51336316_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61085A3C20F63B6516BA1D4E51336316" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_61085A3C20F63B6516BA1D4E51336316" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAdditionalDisclosuresAbstract_89C4545D42D328C5148E1D4E51332DB2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_20D50C365EA85BD44F1B0448597EEA69_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_20D50C365EA85BD44F1B0448597EEA69" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property and Equipment, Net</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_20D50C365EA85BD44F1B0448597EEA69" xlink:type="locator" />
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    <link:label id="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA_terseLabel_en-US" xlink:label="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance</link:label>
    <link:label id="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA_label_en-US" xlink:label="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insurance Reserves Current And Noncurrent Disclosure Text Block</link:label>
    <link:label id="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA_documentation_en-US" xlink:label="lab_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of the carrying amounts of current and non-current liabilities for self-insurance reserves.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock" xlink:label="loc_an_InsuranceReservesCurrentAndNoncurrentDisclosureTextBlock_525A0CF63D85312B224704485827B5AA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentTable_1FF3F6CFB2A8AC097FBCDEAB52A1220F_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_1FF3F6CFB2A8AC097FBCDEAB52A1220F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_1FF3F6CFB2A8AC097FBCDEAB52A1220F_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_1FF3F6CFB2A8AC097FBCDEAB52A1220F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_1FF3F6CFB2A8AC097FBCDEAB52A1220F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SecuredDebtMember_533194F1EDF0A589135ADEAB52A1E6B3_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_533194F1EDF0A589135ADEAB52A1E6B3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:label id="lab_us-gaap_SecuredDebtMember_533194F1EDF0A589135ADEAB52A1E6B3_label_en-US" xlink:label="lab_us-gaap_SecuredDebtMember_533194F1EDF0A589135ADEAB52A1E6B3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_533194F1EDF0A589135ADEAB52A1E6B3" xlink:type="locator" />
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    <link:label id="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF_terseLabel_en-US" xlink:label="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Facility [Member]</link:label>
    <link:label id="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF_label_en-US" xlink:label="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Facility [Member]</link:label>
    <link:label id="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF_documentation_en-US" xlink:label="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Facility [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_MortgageFacilityMember" xlink:label="loc_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:to="lab_an_MortgageFacilityMember_6BC3214DB3418D6022CADEAB52A105AF" xlink:type="arc" />
    <link:label id="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE_terseLabel_en-US" xlink:label="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Leases and Other Debt [Member]</link:label>
    <link:label id="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE_label_en-US" xlink:label="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Leases and Other Debt [Member]</link:label>
    <link:label id="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE_documentation_en-US" xlink:label="lab_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital Leases and Other Debt [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_CapitalLeasesAndOtherDebtMember" xlink:label="loc_an_CapitalLeasesAndOtherDebtMember_314E26D89DF8D846173FDEAD2B8327CE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A84A7423E95E6EB9B9D0DEAB52A18973_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A84A7423E95E6EB9B9D0DEAB52A18973" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_A84A7423E95E6EB9B9D0DEAB52A18973_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_A84A7423E95E6EB9B9D0DEAB52A18973" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_A84A7423E95E6EB9B9D0DEAB52A18973" xlink:type="locator" />
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    <link:label id="lab_us-gaap_SecuredDebt_0DD74C694BF5F66219FCDEAB52A199C0_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt_0DD74C694BF5F66219FCDEAB52A199C0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage facility</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_0DD74C694BF5F66219FCDEAB52A199C0_label_en-US" xlink:label="lab_us-gaap_SecuredDebt_0DD74C694BF5F66219FCDEAB52A199C0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_0DD74C694BF5F66219FCDEAB52A199C0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentMaturityDate_09FB9231443CB115CC36DEAB52A1D0A1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentMaturityDate_09FB9231443CB115CC36DEAB52A1D0A1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument, maturity date</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentMaturityDate_09FB9231443CB115CC36DEAB52A1D0A1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentMaturityDate_09FB9231443CB115CC36DEAB52A1D0A1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentMaturityDate" xlink:label="loc_us-gaap_DebtInstrumentMaturityDate_09FB9231443CB115CC36DEAB52A1D0A1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_AA90BB26F8F433E19B03DEAB52A12710_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_AA90BB26F8F433E19B03DEAB52A12710" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage facility, fixed interest rate</link:label>
    <link:label id="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_AA90BB26F8F433E19B03DEAB52A12710_label_en-US" xlink:label="lab_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_AA90BB26F8F433E19B03DEAB52A12710" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtPercentageBearingFixedInterestRate" xlink:label="loc_us-gaap_LongTermDebtPercentageBearingFixedInterestRate_AA90BB26F8F433E19B03DEAB52A12710" xlink:type="locator" />
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    <link:label id="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF_terseLabel_en-US" xlink:label="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of years of mortgage loans</link:label>
    <link:label id="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF_label_en-US" xlink:label="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Years Of Mortgage Loans</link:label>
    <link:label id="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF_documentation_en-US" xlink:label="lab_an_NumberOfYearsOfMortgageLoans_4AAAFE4A9D01C2458434DEAB52A17CEF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity length in years of mortgages on certain of our store properties that secure our mortgage facility.</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentPeriodicPayment_7198C7A6F2C31274BC3BDEAB52A1017D_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentPeriodicPayment_7198C7A6F2C31274BC3BDEAB52A1017D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Monthly principal and interest payments on mortgage facility</link:label>
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    <link:label id="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1_terseLabel_en-US" xlink:label="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balloon payment for mortgage</link:label>
    <link:label id="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1_label_en-US" xlink:label="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Facility Balloon Payment</link:label>
    <link:label id="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1_documentation_en-US" xlink:label="lab_an_MortgageFacilityBalloonPayment_0E9A27347C0FA844A3C2DEAB52A143B1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The required lump sum payment due on the final maturity date of the mortgage facility.</link:label>
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    <link:label id="lab_us-gaap_CapitalLeaseObligations_A90B9A7DB8756C3FE8A7DEAB52A1951C_terseLabel_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligations_A90B9A7DB8756C3FE8A7DEAB52A1951C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital leases and other debt</link:label>
    <link:label id="lab_us-gaap_CapitalLeaseObligations_A90B9A7DB8756C3FE8A7DEAB52A1951C_label_en-US" xlink:label="lab_us-gaap_CapitalLeaseObligations_A90B9A7DB8756C3FE8A7DEAB52A1951C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Lease Obligations</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="loc_us-gaap_CapitalLeaseObligations_A90B9A7DB8756C3FE8A7DEAB52A1951C" xlink:type="locator" />
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    <link:label id="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7_terseLabel_en-US" xlink:label="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer matching contribution [Member]</link:label>
    <link:label id="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7_label_en-US" xlink:label="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer Matching Contribution [Member]</link:label>
    <link:label id="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7_documentation_en-US" xlink:label="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employers Matching Contribution [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_EmployerMatchingContributionMember" xlink:label="loc_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:to="lab_an_EmployerMatchingContributionMember_EA181B28776E7ED256741C16A2642CF7" xlink:type="arc" />
    <link:label id="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806_terseLabel_en-US" xlink:label="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer discretionary contribution [Member]</link:label>
    <link:label id="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806_label_en-US" xlink:label="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Employer Discretionary Contribution [Member]</link:label>
    <link:label id="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806_documentation_en-US" xlink:label="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Employer Discretionary Contribution [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_EmployerDiscretionaryContributionMember" xlink:label="loc_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:to="lab_an_EmployerDiscretionaryContributionMember_8F0491784B1CBAEA8E611C16A2648806" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_1D185AD738CA51137FD51C16A264DD43" xlink:type="arc" />
    <link:label id="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E_terseLabel_en-US" xlink:label="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Matching contribution, 401(k) plan</link:label>
    <link:label id="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E_label_en-US" xlink:label="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan, Employer Matching Contribution</link:label>
    <link:label id="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E_documentation_en-US" xlink:label="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of matching contributions made by an employer to a defined contribution plan.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DefinedContributionPlanEmployerMatchingContribution" xlink:label="loc_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:to="lab_an_DefinedContributionPlanEmployerMatchingContribution_C5C782E99CD5C812682C1C16A2646A6E" xlink:type="arc" />
    <link:label id="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84_terseLabel_en-US" xlink:label="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">401(k) plan matching contribution requisite service period</link:label>
    <link:label id="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84_label_en-US" xlink:label="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Contribution Plan Matching Contribution Requisite Service Period</link:label>
    <link:label id="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84_documentation_en-US" xlink:label="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum period that the individual is required to perform services in order to be fully vested for matching contributions under the defined contribution plan.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod" xlink:label="loc_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:to="lab_an_DefinedContributionPlanMatchingContributionRequisiteServicePeriod_B51E4365A93224F73F441C16A2648D84" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Matching contributions to employee participants</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Employer Contribution</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualEmployerContribution_45A1D336BCAF1B0A6E5F1C16A264B5FB" xlink:type="arc" />
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760_terseLabel_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual matching contribution annual vesting years two and three</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760_label_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement With Individual Matching Contribution Annual Vesting Years Two and Three</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760_documentation_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Portion of employer's matching contributions to a deferred compensation plan that is vested and credited to participants on the second and third anniversaries of the first business day of the subsequent calendar year after the date of the contribution.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree" xlink:label="loc_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:to="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingYearsTwoAndThree_9A58DBCF36D9B8F5E4F91C16A2642760" xlink:type="arc" />
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E_terseLabel_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred compensation arrangement with individual matching contribution annual vesting portion, year one</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E_label_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement With Individual Matching Contribution Annual Vesting Portion Year One</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E_documentation_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Portion of employer's matching contributions to a deferred compensation plan that is vested and credited to participants on the first business day of the subsequent calendar year.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne" xlink:label="loc_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:to="lab_an_DeferredCompensationArrangementWithIndividualMatchingContributionAnnualVestingPortionYearOne_53827BB71AED4D424B531C16A264222E" xlink:type="arc" />
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258_terseLabel_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employer contributions vesting periods (in years)</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258_label_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Vesting Period</link:label>
    <link:label id="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258_documentation_en-US" xlink:label="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DeferredCompensationArrangementWithIndividualVestingPeriod" xlink:label="loc_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:to="lab_an_DeferredCompensationArrangementWithIndividualVestingPeriod_3BEA8837A915F4AD76191C16A264C258" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Balances due to participants</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Liability, Current and Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC" xlink:to="lab_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_11AAAE32625CE1ED92AE1C16A26413FC" xlink:type="arc" />
    <link:label id="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B_terseLabel_en-US" xlink:label="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital leases related to acquisitions</link:label>
    <link:label id="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B_label_en-US" xlink:label="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition Capital Leases</link:label>
    <link:label id="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B_documentation_en-US" xlink:label="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of obligations incurred related to capital leases associated with the acquisition of stores.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_BusinessAcquisitionCapitalLeases" xlink:label="loc_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:to="lab_an_BusinessAcquisitionCapitalLeases_07EFF73B7B434EA57BDC1D4E4FE98C6B" xlink:type="arc" />
    <link:label id="lab_an_BusinessAcquistionsCapitalLeaseAndDeferredPurchasePrice_578503B3C5A9E359135C1D4E4FE9EAB3_terseLabel_en-US" xlink:label="lab_an_BusinessAcquistionsCapitalLeaseAndDeferredPurchasePrice_578503B3C5A9E359135C1D4E4FE9EAB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital lease and deferred purchase price related to acquisitions</link:label>
    <link:label id="lab_an_BusinessAcquistionsCapitalLeaseAndDeferredPurchasePrice_578503B3C5A9E359135C1D4E4FE9EAB3_label_en-US" xlink:label="lab_an_BusinessAcquistionsCapitalLeaseAndDeferredPurchasePrice_578503B3C5A9E359135C1D4E4FE9EAB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquistions Capital Lease and Deferred Purchase Price</link:label>
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    <link:label id="lab_an_DebtCovenantRatioDomain_1062B262D1DCC33D15FF02089DE6906C_documentation_en-US" xlink:label="lab_an_DebtCovenantRatioDomain_1062B262D1DCC33D15FF02089DE6906C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Ratio [Domain]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantRatioDomain" xlink:label="loc_an_DebtCovenantRatioDomain_1062B262D1DCC33D15FF02089DE6906C" xlink:type="locator" />
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    <link:label id="lab_an_DebtCovenantMaximumRequiredRatioMember_1E4841231257B2381A8E02089DE67304_label_en-US" xlink:label="lab_an_DebtCovenantMaximumRequiredRatioMember_1E4841231257B2381A8E02089DE67304" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Maximum Required Ratio [Member]</link:label>
    <link:label id="lab_an_DebtCovenantMaximumRequiredRatioMember_1E4841231257B2381A8E02089DE67304_documentation_en-US" xlink:label="lab_an_DebtCovenantMaximumRequiredRatioMember_1E4841231257B2381A8E02089DE67304" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant, Maximum Required Ratio [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantMaximumRequiredRatioMember" xlink:label="loc_an_DebtCovenantMaximumRequiredRatioMember_1E4841231257B2381A8E02089DE67304" xlink:type="locator" />
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    <link:label id="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7_terseLabel_en-US" xlink:label="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Covenant, Actual Ratio [Member]</link:label>
    <link:label id="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7_label_en-US" xlink:label="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Actual Ratio [Member]</link:label>
    <link:label id="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7_documentation_en-US" xlink:label="lab_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant, Actual Ratio [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantActualRatioMember" xlink:label="loc_an_DebtCovenantActualRatioMember_9F9FDB637E4031C8A4F802089DF0ACA7" xlink:type="locator" />
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    <link:label id="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898_terseLabel_en-US" xlink:label="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalization ratio</link:label>
    <link:label id="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898_label_en-US" xlink:label="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Capitalization Ratio</link:label>
    <link:label id="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898_documentation_en-US" xlink:label="lab_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An amount contractually defined in the credit agreement as principally reflecting vehicle floorplan payable and non-vehicle debt divided by the company's total capitalization including vehicle floorplan payable and certain adjustments. Under the credit agreement, the company is required to remain in compliance with a maximum capitalization ratio.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantCapitalizationRatio" xlink:label="loc_an_DebtCovenantCapitalizationRatio_145D642C1A28A5789A5002089DF08898" xlink:type="locator" />
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    <link:label id="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF_terseLabel_en-US" xlink:label="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio</link:label>
    <link:label id="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF_label_en-US" xlink:label="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Leverage Ratio</link:label>
    <link:label id="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF_documentation_en-US" xlink:label="lab_an_DebtCovenantLeverageRatio_56891FA13D2D830F62C402089DF0B3BF" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">An amount contractually defined in the credit agreement as principally reflecting non-vehicle debt divided by a contractually defined measure of earnings with certain adjustments. Under the credit agreement, the company is required to remain in compliance with a maximum leverage ratio.</link:label>
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    <link:label id="lab_an_ReportingUnitDomesticMember_ABDC745E7F68C27B665D1C1D684ABA72_label_en-US" xlink:label="lab_an_ReportingUnitDomesticMember_ABDC745E7F68C27B665D1C1D684ABA72" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Unit, Domestic [Member]</link:label>
    <link:label id="lab_an_ReportingUnitDomesticMember_ABDC745E7F68C27B665D1C1D684ABA72_documentation_en-US" xlink:label="lab_an_ReportingUnitDomesticMember_ABDC745E7F68C27B665D1C1D684ABA72" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reporting Unit, Domestic [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_ReportingUnitDomesticMember" xlink:label="loc_an_ReportingUnitDomesticMember_ABDC745E7F68C27B665D1C1D684ABA72" xlink:type="locator" />
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    <link:label id="lab_an_ReportingUnitImportMember_6118A5EEAC8622E4B8481C1D684AA53C_label_en-US" xlink:label="lab_an_ReportingUnitImportMember_6118A5EEAC8622E4B8481C1D684AA53C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Unit, Import [Member]</link:label>
    <link:label id="lab_an_ReportingUnitImportMember_6118A5EEAC8622E4B8481C1D684AA53C_documentation_en-US" xlink:label="lab_an_ReportingUnitImportMember_6118A5EEAC8622E4B8481C1D684AA53C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reporting Unit, Member [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_ReportingUnitImportMember" xlink:label="loc_an_ReportingUnitImportMember_6118A5EEAC8622E4B8481C1D684AA53C" xlink:type="locator" />
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    <link:label id="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165_terseLabel_en-US" xlink:label="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting Unit, Premium Luxury [Member]</link:label>
    <link:label id="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165_label_en-US" xlink:label="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reporting Unit, Premium Luxury [Member]</link:label>
    <link:label id="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165_documentation_en-US" xlink:label="lab_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reporting Unit, Premium Luxury [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_ReportingUnitPremiumLuxuryMember" xlink:label="loc_an_ReportingUnitPremiumLuxuryMember_6B5342E40F308E5E95501C1D684A6165" xlink:type="locator" />
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    <link:label id="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A_terseLabel_en-US" xlink:label="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill Corporate and Other [Member]</link:label>
    <link:label id="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A_label_en-US" xlink:label="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill Corporate and Other [Member]</link:label>
    <link:label id="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A_documentation_en-US" xlink:label="lab_an_GoodwillCorporateAndOtherMember_B6DF54FA4B4C7342B6891C1D684A415A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Goodwill Corporate and Other [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_390A682BF8B10E6EBC0E1C1D684ADA83" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_D8D1B7E473E967E2C2531C1D684A50ED" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillLineItems_1C483A0D8082201EFFC41C1D684AF526_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems_1C483A0D8082201EFFC41C1D684AF526" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill [Line Items]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_5EF0DC9727DAF6F8DAD01C1D684AB45D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditMember_9A6EC8E69BC88163DC02DFB4B0CF1B70_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember_9A6EC8E69BC88163DC02DFB4B0CF1B70" 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_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4_terseLabel_en-US" xlink:label="lab_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum percentage of principal that can be redeemed with net cash proceeds from common stock offering</link:label>
    <link:label id="lab_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4_label_en-US" xlink:label="lab_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Percentage of Maximum Redemption with Cash from Common Stock Offering</link:label>
    <link:label id="lab_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4_documentation_en-US" xlink:label="lab_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of the debt instrument outstanding that may be redeemed with the net cash proceeds of one or more public equity offerings of the company's common stock.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering" xlink:label="loc_an_DebtInstrumentPercentageOfMaximumRedemptionWithCashFromCommonStockOffering_D1A1B627A7A76E047588DFB4B0CFBBF4" xlink:type="locator" />
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    <link:label id="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E_terseLabel_en-US" xlink:label="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption payment as a percentage of principal cash from common stock offering</link:label>
    <link:label id="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E_label_en-US" xlink:label="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption Price Upon Common Stock Offering, Percentage of Principal</link:label>
    <link:label id="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E_documentation_en-US" xlink:label="lab_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Payment amount as a percentage of principal at which the debt instrument may be redeemed with the net cash proceeds of one or more public equity offerings of the company's common stock.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal" xlink:label="loc_an_DebtInstrumentRedemptionPriceUponCommonStockOfferingPercentageOfPrincipal_C48766A330D111E8BDA0DFB4B0CF607E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity under revolving credit facility</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2" 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/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_86D1D1103F97A7E61699DFB4B0CFA0C2" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_478E9AF00BFE7131EB40DFB4B0CFA51A_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_478E9AF00BFE7131EB40DFB4B0CFA51A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility, amount outstanding</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_478E9AF00BFE7131EB40DFB4B0CFA51A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAmountOutstanding_478E9AF00BFE7131EB40DFB4B0CFA51A" xlink:to="lab_us-gaap_LineOfCreditFacilityAmountOutstanding_478E9AF00BFE7131EB40DFB4B0CFA51A" xlink:type="arc" />
    <link:label id="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E_terseLabel_en-US" xlink:label="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facilities letter of credit sublimit</link:label>
    <link:label id="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E_label_en-US" xlink:label="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facilities Letter Of Credit Sublimit</link:label>
    <link:label id="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E_documentation_en-US" xlink:label="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum amount of letters of credit that can be issued under the terms of the revolving credit facilities.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_RevolvingCreditFacilitiesLetterOfCreditSublimit" xlink:label="loc_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:to="lab_an_RevolvingCreditFacilitiesLetterOfCreditSublimit_AAA0064D2701639F16E3DFB4B0CF7E6E" xlink:type="arc" />
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_CA9B80075B61B9F5C37EDFB4B0CF48FD_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_CA9B80075B61B9F5C37EDFB4B0CF48FD" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on debt extinguishment</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_CA9B80075B61B9F5C37EDFB4B0CF48FD" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_CA9B80075B61B9F5C37EDFB4B0CF48FD" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_CA9B80075B61B9F5C37EDFB4B0CF48FD" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional borrowing capacity under revolving credit facility</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Remaining Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC" xlink:to="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_B31319CDCDDA2B866038DFB4B0CF99AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis spread on variable interest rates</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277" 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/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_71DDFD11B770AECA666CDFB4B0CFE277" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitment fee on undrawn amounts</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" xlink:label="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC" xlink:to="lab_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage_81341C4D399DC3B48055DFB4B0CF0BDC" xlink:type="arc" />
    <link:label id="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60_terseLabel_en-US" xlink:label="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact on credit spread from increase in leverage ratio</link:label>
    <link:label id="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60_label_en-US" xlink:label="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Spread Impact Leverage Ratio Credit Agreement</link:label>
    <link:label id="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60_documentation_en-US" xlink:label="lab_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The incremental increase, in basis points, in the credit spread under the credit agreement if the leverage ratio is greater than a specified threshold.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_CreditSpreadImpactLeverageRatioCreditAgreement" xlink:label="loc_an_CreditSpreadImpactLeverageRatioCreditAgreement_55FACB0DD0A8C820868FDFB4B0CFEC60" xlink:type="locator" />
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    <link:label id="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC_terseLabel_en-US" xlink:label="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage Ratio, minimum threshold, current credit spread</link:label>
    <link:label id="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC_label_en-US" xlink:label="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Minimum, Inclusive, Range Leverage Ratio Credit Spread</link:label>
    <link:label id="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC_documentation_en-US" xlink:label="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum, inclusive, leverage ratio, as defined in the credit agreement, in which the current credit spread on the revolver and term loan applies based on pricing terms outlined in the agreement.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread" xlink:label="loc_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:to="lab_an_DebtCovenantMinimumInclusiveRangeLeverageRatioCreditSpread_72994F4FE15A4E167D0CDFB4B0CF1CAC" xlink:type="arc" />
    <link:label id="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F_terseLabel_en-US" xlink:label="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio, maximum threshold, current credit spread</link:label>
    <link:label id="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F_label_en-US" xlink:label="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Maximum, Exclusive, Range Leverage Ratio Credit Spread</link:label>
    <link:label id="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F_documentation_en-US" xlink:label="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The maximum, exclusive, leverage ratio, as defined in the credit agreement, in which the current credit spread on the revolver and term loan applies based on pricing terms outlined in the credit agreement.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread" xlink:label="loc_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:to="lab_an_DebtCovenantMaximumExclusiveRangeLeverageRatioCreditSpread_60FB892BE423587C344FDFB4B0CFA74F" xlink:type="arc" />
    <link:label id="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502_terseLabel_en-US" xlink:label="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage ratio, minimum threshold, increase in credit spread</link:label>
    <link:label id="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502_label_en-US" xlink:label="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant, Increase in Leverage Ratio, Minimum Benchmark Range</link:label>
    <link:label id="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502_documentation_en-US" xlink:label="lab_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum, inclusive, leverage ratio, as defined in the credit agreement, in which the credit spread on the revolver and term loan would increase based on the pricing terms outlined in the agreement.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange" xlink:label="loc_an_DebtCovenantIncreaseInLeverageRatioMinimumBenchmarkRange_0D39E724561C824A9B34DFB4B0CF1502" xlink:type="locator" />
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    <link:label id="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16_terseLabel_en-US" xlink:label="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Owned and operated new vehicle franchises</link:label>
    <link:label id="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16_label_en-US" xlink:label="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Owned And Operated New Vehicle Franchises</link:label>
    <link:label id="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16_documentation_en-US" xlink:label="lab_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of owned and operated new vehicle franchises.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_OwnedAndOperatedNewVehicleFranchises" xlink:label="loc_an_OwnedAndOperatedNewVehicleFranchises_6BAAB42069329FD3B8211C16A5976F16" xlink:type="locator" />
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    <link:label id="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214_terseLabel_en-US" xlink:label="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of brands</link:label>
    <link:label id="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214_label_en-US" xlink:label="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Brands</link:label>
    <link:label id="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214_documentation_en-US" xlink:label="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of new vehicle brands sold by the company's stores.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_NumberOfBrands" xlink:label="loc_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:to="lab_an_NumberOfBrands_A2AD308DD2A7E7A015921C16A597A214" xlink:type="arc" />
    <link:label id="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7_terseLabel_en-US" xlink:label="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of new vehicle sales core brand vehicles</link:label>
    <link:label id="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7_label_en-US" xlink:label="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of New Vehicle Sales Core Brands</link:label>
    <link:label id="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7_documentation_en-US" xlink:label="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of new vehicles sold that represent the core brands of new vehicles sold by the company.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_PercentageOfNewVehicleSalesCoreBrands" xlink:label="loc_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:to="lab_an_PercentageOfNewVehicleSalesCoreBrands_D0FA1AA0BD25FEB38CBE1C16A59740D7" xlink:type="arc" />
    <link:label id="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B_terseLabel_en-US" xlink:label="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan interest assistance, inventory cost reduction</link:label>
    <link:label id="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B_label_en-US" xlink:label="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Floorplan Assistance Inventory Cost Reduction</link:label>
    <link:label id="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B_documentation_en-US" xlink:label="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of floorplan assistance received from manufacturers for new vehicles in inventory as of period-end. The amount is reflected as a reduction to new vehicle inventory cost.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_FloorplanAssistanceInventoryCostReduction" xlink:label="loc_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:to="lab_an_FloorplanAssistanceInventoryCostReduction_3E41E2D2F87B5CEEE3C91C16A597251B" xlink:type="arc" />
    <link:label id="lab_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7757FEF28029AE4973192330F957896C_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7757FEF28029AE4973192330F957896C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Table]</link:label>
    <link:label id="lab_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7757FEF28029AE4973192330F957896C_label_en-US" xlink:label="lab_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7757FEF28029AE4973192330F957896C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation and Qualifying Accounts Disclosure [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureTable" xlink:label="loc_us-gaap_ValuationAndQualifyingAccountsDisclosureTable_7757FEF28029AE4973192330F957896C" xlink:type="locator" />
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    <link:label id="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826_terseLabel_en-US" xlink:label="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insurance reserves [Member]</link:label>
    <link:label id="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826_label_en-US" xlink:label="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reserves for Insurance Costs [Member]</link:label>
    <link:label id="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826_documentation_en-US" xlink:label="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Reserves for Insurance Costs [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_ReservesForInsuranceCostsMember" xlink:label="loc_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:to="lab_an_ReservesForInsuranceCostsMember_A2B37C6F59EA0C095AA523C1F2809826" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilitiesCurrent_7BAA435676381ED67BAB2330F9571D94_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesCurrent_7BAA435676381ED67BAB2330F9571D94" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Insurance reserves - current portion</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_7BAA435676381ED67BAB2330F9571D94" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesCurrent_7BAA435676381ED67BAB2330F9571D94" xlink:to="lab_us-gaap_OtherLiabilitiesCurrent_7BAA435676381ED67BAB2330F9571D94" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_281B745119838B0A11F82330F957FC6D_verboseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent_281B745119838B0A11F82330F957FC6D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Insurance reserves - long-term portion</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_281B745119838B0A11F82330F957FC6D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_281B745119838B0A11F82330F957FC6D" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent_281B745119838B0A11F82330F957FC6D" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA_totalLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total insurance reserves</link:label>
    <link:label id="lab_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA_label_en-US" xlink:label="lab_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA" xlink:to="lab_us-gaap_OtherLiabilities_D8960952E699493D5AC22330F9575CFA" xlink:type="arc" />
    <link:label id="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615_terseLabel_en-US" xlink:label="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trade receivables</link:label>
    <link:label id="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615_label_en-US" xlink:label="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Receivables</link:label>
    <link:label id="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615_documentation_en-US" xlink:label="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount due to the company from outside sources, within one year of the balance sheet date, for parts and automotive repair and maintenance services that have been delivered or sold, excluding amounts due from manufacturers. Also includes amounts due from finance organizations, within one year of the balance sheet date, for commissions on the sale of financing products.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_TradeReceivables" xlink:label="loc_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:to="lab_an_TradeReceivables_A2FCBE95A2AF2337417404485AA77615" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherReceivablesGrossCurrent_A9D4121752D82AB4B5FC04485AA7A931_terseLabel_en-US" xlink:label="lab_us-gaap_OtherReceivablesGrossCurrent_A9D4121752D82AB4B5FC04485AA7A931" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherReceivablesGrossCurrent_A9D4121752D82AB4B5FC04485AA7A931_label_en-US" xlink:label="lab_us-gaap_OtherReceivablesGrossCurrent_A9D4121752D82AB4B5FC04485AA7A931" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Receivables, Gross, Current</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherReceivablesGrossCurrent" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_A9D4121752D82AB4B5FC04485AA7A931" xlink:type="locator" />
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    <link:label id="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6_totalLabel_en-US" xlink:label="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Trade, manufacturer and other receivables, gross</link:label>
    <link:label id="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6_label_en-US" xlink:label="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Manufacturer And Other Receivables Gross</link:label>
    <link:label id="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6_documentation_en-US" xlink:label="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of trade receivables, manufacturer receivables and other receivables.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_TradeManufacturerAndOtherReceivablesGross" xlink:label="loc_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:to="lab_an_TradeManufacturerAndOtherReceivablesGross_C4907724F8F25D46060504485AA743C6" xlink:type="arc" />
    <link:label id="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_62C32C7A77AF1D8126A104485AA79DD0_negatedLabel_en-US" xlink:label="lab_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_62C32C7A77AF1D8126A104485AA79DD0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: Allowances</link:label>
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    <link:label id="lab_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC_label_en-US" xlink:label="lab_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trade Manufacturer And Other Receivables Net</link:label>
    <link:label id="lab_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC_documentation_en-US" xlink:label="lab_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate amount of trade receivables, manufacturer receivables and other receivables, reduced to the estimated net realizable fair value by an allowance established of the amount deemed uncertain of collection.</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC" xlink:to="lab_an_TradeManufacturerAndOtherReceivablesNet_19333E6E9E7529E3A83204485AA7C0FC" xlink:type="arc" />
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    <link:label id="lab_an_ContractsInTransitAndVehicleReceivables_1021A469CE060A9EEB1004485AA75F53_documentation_en-US" xlink:label="lab_an_ContractsInTransitAndVehicleReceivables_1021A469CE060A9EEB1004485AA75F53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount due to the company from outside sources, within one year of the balance sheet date, for retail new and used vehicle sales including amounts due from customers and amounts due from financing companies for the financed portion of the vehicle sales price.</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxReceivable_6A5462C8F606ABC0F4C504485AA757A6_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxReceivable_6A5462C8F606ABC0F4C504485AA757A6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income tax refundable (See Note 11)</link:label>
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    <link:label id="lab_us-gaap_ReceivablesNetCurrent_ADB30BE7D87503D7CBC004485AA75942_totalLabel_en-US" xlink:label="lab_us-gaap_ReceivablesNetCurrent_ADB30BE7D87503D7CBC004485AA75942" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Receivables, net</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesIssued" xlink:label="loc_us-gaap_PreferredStockSharesIssued_6F0AF7921292FA5EF8E504485A692910" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_3A6430E3131953FC602F04485A695FC8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_16E17B3A9DA263B2639404485A693A3C_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized_16E17B3A9DA263B2639404485A693A3C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_16E17B3A9DA263B2639404485A693A3C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_TreasuryStockShares_F9E516D1235FFEA3B4F604485A69C833_label_en-US" xlink:label="lab_us-gaap_TreasuryStockShares_F9E516D1235FFEA3B4F604485A69C833" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Stock, Shares</link:label>
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    <link:label id="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleAxis_FC742886AB49B5A7C707044857D93E30_terseLabel_en-US" xlink:label="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleAxis_FC742886AB49B5A7C707044857D93E30" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floorplan Facilities New Vehicle Used Vehicle [Axis]</link:label>
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    <link:label id="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleAxis_FC742886AB49B5A7C707044857D93E30_documentation_en-US" xlink:label="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleAxis_FC742886AB49B5A7C707044857D93E30" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Floorplan Facilities New Vehicle Used Vehicle [Axis]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_FloorplanFacilitiesNewVehicleUsedVehicleAxis" xlink:label="loc_an_FloorplanFacilitiesNewVehicleUsedVehicleAxis_FC742886AB49B5A7C707044857D93E30" xlink:type="locator" />
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    <link:label id="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleDomain_216BCE1B82F548D43A76044857D99108_documentation_en-US" xlink:label="lab_an_FloorplanFacilitiesNewVehicleUsedVehicleDomain_216BCE1B82F548D43A76044857D99108" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Floorplan Facilities New Vehicle Used Vehicle [Axis]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_FloorplanFacilitiesNewVehicleUsedVehicleDomain" xlink:label="loc_an_FloorplanFacilitiesNewVehicleUsedVehicleDomain_216BCE1B82F548D43A76044857D99108" xlink:type="locator" />
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    <link:label id="lab_an_UsedVehicleFloorplanFacilitiesMember_B95765AB61B8A9215DB7044857D95086_terseLabel_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilitiesMember_B95765AB61B8A9215DB7044857D95086" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used Vehicle Floorplan Facilities [Member]</link:label>
    <link:label id="lab_an_UsedVehicleFloorplanFacilitiesMember_B95765AB61B8A9215DB7044857D95086_label_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilitiesMember_B95765AB61B8A9215DB7044857D95086" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Floorplan Facilities [Member]</link:label>
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    <link:loc xlink:href="an-20131231.xsd#an_UsedVehicleFloorplanFacilitiesMember" xlink:label="loc_an_UsedVehicleFloorplanFacilitiesMember_B95765AB61B8A9215DB7044857D95086" xlink:type="locator" />
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    <link:label id="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671_terseLabel_en-US" xlink:label="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New Vehicle Floorplan Facilities [Member]</link:label>
    <link:label id="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671_label_en-US" xlink:label="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Vehicle Floorplan Facilities [Member]</link:label>
    <link:label id="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671_documentation_en-US" xlink:label="lab_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">New Vehicle Floorplan Facilities</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_NewVehicleFloorplanFacilitiesMember" xlink:label="loc_an_NewVehicleFloorplanFacilitiesMember_D190DB8EDC3DC8E04E48044857D9C671" xlink:type="locator" />
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    <link:loc xlink:href="an-20131231.xsd#an_VehicleFloorplanPayable" xlink:label="loc_an_VehicleFloorplanPayable_F5059AC8E58EB7C4C8D5044857D9C6F5" xlink:type="locator" />
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    <link:loc xlink:href="an-20131231.xsd#an_VehicleFloorplanFacilityMaximumBorrowingCapacity" xlink:label="loc_an_VehicleFloorplanFacilityMaximumBorrowingCapacity_37E4889C757B38BCED69044857D92DB9" xlink:type="locator" />
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    <link:label id="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5_terseLabel_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle floorplan facilities, current borrowing capacity</link:label>
    <link:label id="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5_label_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Floorplan Facility Current Borrowing Capacity</link:label>
    <link:label id="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5_documentation_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of current borrowing capacity under used vehicle floorplan facilities considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of eligible used vehicle inventory that could have been pledged as collateral) and any amounts currently outstanding under the facility.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity" xlink:label="loc_an_UsedVehicleFloorplanFacilityCurrentBorrowingCapacity_AAEA6A916E97E0245CC1044857D9C6F5" xlink:type="locator" />
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    <link:label id="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92_terseLabel_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used vehicle floorplan facilities, remaining borrowing capacity</link:label>
    <link:label id="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92_label_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Used Vehicle Floorplan Facility Remaining Borrowing Capacity</link:label>
    <link:label id="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92_documentation_en-US" xlink:label="lab_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of borrowing capacity currently available under used vehicle floorplan facilities (maximum borrowing capacity less the amount of borrowings outstanding).</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity" xlink:label="loc_an_UsedVehicleFloorplanFacilityRemainingBorrowingCapacity_580009C46D0109C9E6F6044857D95D92" xlink:type="locator" />
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    <link:label id="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176_terseLabel_en-US" xlink:label="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vehicle floorplan facilities, average LIBOR-based interest rates</link:label>
    <link:label id="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176_label_en-US" xlink:label="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vehicle Floorplan Facility Interest Rate During Period</link:label>
    <link:label id="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176_documentation_en-US" xlink:label="lab_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The average effective interest rate of vehicle floorplan facilities during the reporting period.</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_VehicleFloorplanFacilityInterestRateDuringPeriod" xlink:label="loc_an_VehicleFloorplanFacilityInterestRateDuringPeriod_EA765CC916BD0E10816F044857D9F176" xlink:type="locator" />
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    <link:label id="lab_an_FairValueMeasurementsTable_93F0F8992DAD90E0587B1D4E4FD574F7_label_en-US" xlink:label="lab_an_FairValueMeasurementsTable_93F0F8992DAD90E0587B1D4E4FD574F7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurements [Table]</link:label>
    <link:label id="lab_an_FairValueMeasurementsTable_93F0F8992DAD90E0587B1D4E4FD574F7_documentation_en-US" xlink:label="lab_an_FairValueMeasurementsTable_93F0F8992DAD90E0587B1D4E4FD574F7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair Value Measurements Table</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_FairValueMeasurementsTable" xlink:label="loc_an_FairValueMeasurementsTable_93F0F8992DAD90E0587B1D4E4FD574F7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_2376EB843AA1223452BF1D4E4FD5A29F_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_2376EB843AA1223452BF1D4E4FD5A29F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_2376EB843AA1223452BF1D4E4FD5A29F_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_2376EB843AA1223452BF1D4E4FD5A29F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_2376EB843AA1223452BF1D4E4FD5A29F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurements, Fair Value Hierarchy [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_FD1862D081C2F8E68CF11D4E4FD55A11" xlink:type="arc" />
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3 [Member]</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA" xlink:to="lab_us-gaap_FairValueInputsLevel3Member_7FE2E6070C9A0F1A2A3B1D4E4FD50AFA" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_39E8978064AD719076421D4E4FD598B9_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_39E8978064AD719076421D4E4FD598B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement, Operating Activities Segment [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_39E8978064AD719076421D4E4FD598B9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_39E8978064AD719076421D4E4FD598B9" xlink:to="lab_us-gaap_StatementOperatingActivitiesSegmentAxis_39E8978064AD719076421D4E4FD598B9" xlink:type="arc" />
    <link:label id="lab_us-gaap_SegmentOperatingActivitiesDomain_141253E21EBAFB8691491D4E4FD5AC2A_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentOperatingActivitiesDomain_141253E21EBAFB8691491D4E4FD5AC2A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment, Operating Activities [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_141253E21EBAFB8691491D4E4FD5AC2A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_141253E21EBAFB8691491D4E4FD5AC2A" xlink:to="lab_us-gaap_SegmentOperatingActivitiesDomain_141253E21EBAFB8691491D4E4FD5AC2A" xlink:type="arc" />
    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureByAssetTypeAxis_F9E05F79AA92E9A019A11D4E4FD50F2D_terseLabel_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureByAssetTypeAxis_F9E05F79AA92E9A019A11D4E4FD50F2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure by Asset Type [Axis]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_LongLivedAssetsFairValueDisclosureByAssetTypeAxis" xlink:label="loc_an_LongLivedAssetsFairValueDisclosureByAssetTypeAxis_F9E05F79AA92E9A019A11D4E4FD50F2D" xlink:type="locator" />
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    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureNameDomain_15651D4DA07FBF58E5FA1D4E4FD509E8_terseLabel_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureNameDomain_15651D4DA07FBF58E5FA1D4E4FD509E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Name [Domain]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_LongLivedAssetsFairValueDisclosureNameDomain" xlink:label="loc_an_LongLivedAssetsFairValueDisclosureNameDomain_15651D4DA07FBF58E5FA1D4E4FD509E8" xlink:type="locator" />
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    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4_terseLabel_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Adjustments [Member]</link:label>
    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4_label_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Adjustments [Member]</link:label>
    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4_documentation_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureAdjustmentsMember_DC1D1FF23F34946FBBAD1D4E4FD559E4" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Adjustments [Member]</link:label>
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    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7_terseLabel_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Write-down Gain [Member]</link:label>
    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7_label_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Write-down Gain [Member]</link:label>
    <link:label id="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7_documentation_en-US" xlink:label="lab_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Long Lived Assets, Fair Value Disclosure, Write-down Gain [Member]</link:label>
    <link:loc xlink:href="an-20131231.xsd#an_LongLivedAssetsFairValueDisclosureWriteDownGainMember" xlink:label="loc_an_LongLivedAssetsFairValueDisclosureWriteDownGainMember_A33A0A8D4BBFF3BF32BB1D4E4FD5A8A7" xlink:type="locator" />
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