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  <xsd:element abstract="true" id="cacc_InterestRateAdditionalSixPointFiveCapMember" name="InterestRateAdditionalSixPointFiveCapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_InterestRateSecondAdditionalSixPointFiveCapMember" name="InterestRateSecondAdditionalSixPointFiveCapMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoanPoolPerformanceLessThanInitialEstimatesMember" name="LoanPoolPerformanceLessThanInitialEstimatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoanPoolPerformanceMeetsOrExceedsInitialEstimatesMember" name="LoanPoolPerformanceMeetsOrExceedsInitialEstimatesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_LoansAndLeasesReceivableTransfers" name="LoansAndLeasesReceivableTransfers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingIn2011Member" name="LoansOriginatingIn2011Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingIn2012Member" name="LoansOriginatingIn2012Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingIn2013Member" name="LoansOriginatingIn2013Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingIn2014Member" name="LoansOriginatingIn2014Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingIn2020Member" name="LoansOriginatingIn2020Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2015Member" name="LoansOriginatingin2015Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2015andPriorMember" name="LoansOriginatingin2015andPriorMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2016Member" name="LoansOriginatingin2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2017Member" name="LoansOriginatingin2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2018Member" name="LoansOriginatingin2018Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_LoansOriginatingin2019Member" name="LoansOriginatingin2019Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_LoansReceivableContractualNetCashFlowsAtAssignment" name="LoansReceivableContractualNetCashFlowsAtAssignment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cacc_LoansReceivableExpectedNetCashFlowsAtAssignment" name="LoansReceivableExpectedNetCashFlowsAtAssignment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cacc_LoansReceivableFairValueOfNetCashFlowsAtAssignment" name="LoansReceivableFairValueOfNetCashFlowsAtAssignment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="cacc_LoansReceivableForecastedCollectionPercentage" name="LoansReceivableForecastedCollectionPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_LoansReceivableInitialForecastedCollectionPercentage" name="LoansReceivableInitialForecastedCollectionPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_LoansReceivableVarianceInForecastedCollectionPercentageFromPriorQuarterEnd" name="LoansReceivableVarianceInForecastedCollectionPercentageFromPriorQuarterEnd" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_LoansReceivableVarianceInForecastedCollectionPercentageFromPriorYearEnd" name="LoansReceivableVarianceInForecastedCollectionPercentageFromPriorYearEnd" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_LoansReceivableVarianceInInitialForecastedCollectionPercentage" name="LoansReceivableVarianceInInitialForecastedCollectionPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cacc_LoansandLeasesReceivableNetRollForward" name="LoansandLeasesReceivableNetRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_MaximumHedgingReserve" name="MaximumHedgingReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cacc_MonthlyServicingFeePerFinancing" name="MonthlyServicingFeePerFinancing" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_NetBookValueOfLoansPledgedAsCollateral" name="NetBookValueOfLoansPledgedAsCollateral" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cacc_NewConsumerLoanAssignments" name="NewConsumerLoanAssignments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_NewConsumerLoanAssignmentsMember" name="NewConsumerLoanAssignmentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_NotionalAmount" name="NotionalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="cacc_NumberOfBusinessPrograms" name="NumberOfBusinessPrograms" nillable="true" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_NumberWarehouseFacilities" name="NumberWarehouseFacilities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_OpenMarketMember" name="OpenMarketMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_OriginalNumberOfConsumerLoansRequiredToGroupAdvances" name="OriginalNumberOfConsumerLoansRequiredToGroupAdvances" nillable="true" substitutionGroup="xbrli:item" type="xbrli:positiveIntegerItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_OtherMember" name="OtherMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PastDue1190DaysPretermMember" name="PastDue1190DaysPretermMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PastDueOver90DaysPretermMember" name="PastDueOver90DaysPretermMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_PaymentHoldbackPercentage" name="PaymentHoldbackPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PaymentsForProceedsFromLoansReceivableProgramsAxis" name="PaymentsForProceedsFromLoansReceivableProgramsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PaymentsForProceedsFromLoansReceivableProgramsDomain" name="PaymentsForProceedsFromLoansReceivableProgramsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_PaymentsOfDealerHoldback" name="PaymentsOfDealerHoldback" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cacc_PercentageOfCollectionsOnContributedLoans" name="PercentageOfCollectionsOnContributedLoans" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_PercentageOfContracts" name="PercentageOfContracts" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_PercentageOfNetBookValueOfLoans" name="PercentageOfNetBookValueOfLoans" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_PercentageOfNewConsumerLoansInUnitVolume" name="PercentageOfNewConsumerLoansInUnitVolume" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_Percentageofnewconsumerloansdollarvolume" name="Percentageofnewconsumerloansdollarvolume" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PortfolioProgramMember" name="PortfolioProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PosttermMember" name="PosttermMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PriortoCOVID19Member" name="PriortoCOVID19Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PurchaseProgramMember" name="PurchaseProgramMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_PurchasedLoansMember" name="PurchasedLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_RealizedNetCashFlows" name="RealizedNetCashFlows" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_RemarketingFeesMember" name="RemarketingFeesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_RestrictedCashAndCashEquivalentsFairValueDisclosure" name="RestrictedCashAndCashEquivalentsFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cacc_RestrictedCashAndCashEquivalentsMember" name="RestrictedCashAndCashEquivalentsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_RevenueFromEnrollmentAndRegistrationFeesInProgram" name="RevenueFromEnrollmentAndRegistrationFeesInProgram" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfAdditionalInformationRelatedToDebtInstrumentsTableTextBlock" name="ScheduleOfAdditionalInformationRelatedToDebtInstrumentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfAssetBackedDebtInstrumentsTextBlockTableTextBlock" name="ScheduleOfAssetBackedDebtInstrumentsTextBlockTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfChangesInLoansReceivableAndAllowanceForCreditLossesTableTextBlock" name="ScheduleOfChangesInLoansReceivableAndAllowanceForCreditLossesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfConsumerLoansForecastedCollectionPercentageTextBlock" name="ScheduleOfConsumerLoansForecastedCollectionPercentageTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfConsumerLoansPerformanceTableTextBlock" name="ScheduleOfConsumerLoansPerformanceTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfNewConsumerLoanAssignmentsTableTextBlock" name="ScheduleOfNewConsumerLoanAssignmentsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfOtherIncomeTableTextBlock" name="ScheduleOfOtherIncomeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfPercentageOfConsumerLoansAssignedBasedOnUnitVolumesTableTextBlock" name="ScheduleOfPercentageOfConsumerLoansAssignedBasedOnUnitVolumesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfReinsuranceActivityTableTextBlock" name="ScheduleOfReinsuranceActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfShareBasedCompensationRestrictedStockActivityTableTextBlock" name="ScheduleOfShareBasedCompensationRestrictedStockActivityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleOfTrustAssetsAndReinsuranceLiabilitiesTableTextBlock" name="ScheduleOfTrustAssetsAndReinsuranceLiabilitiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleofCOVID19AdjustmenttoForecastedCollectionPercentageTableTextBlock" name="ScheduleofCOVID19AdjustmenttoForecastedCollectionPercentageTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ScheduleofPrincipalDebtOutstandingTableTextBlock" name="ScheduleofPrincipalDebtOutstandingTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_SecuredFinancingFairValueDisclosure" name="SecuredFinancingFairValueDisclosure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cacc_SecuredfinancingsMember" name="SecuredfinancingsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ServiceFeeIncomeAsPercentageOfCollections" name="ServiceFeeIncomeAsPercentageOfCollections" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsConvertedWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="cacc_SixPointFivePercentCapInterestRateMember" name="SixPointFivePercentCapInterestRateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchasedIncrease" name="StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchasedIncrease" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="cacc_StockRepurchasesTextBlock" name="StockRepurchasesTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_SummaryOfChangesInAccretableYieldTableTextBlock" name="SummaryOfChangesInAccretableYieldTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_SummaryofChangesinExpectedFutureNetCashFlowsTableTextBlock" name="SummaryofChangesinExpectedFutureNetCashFlowsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_SummaryofProvisionforCreditLossesTableTextBlock" name="SummaryofProvisionforCreditLossesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TaxWithholdingsForShareBasedCompensationAwardsVestedMember" name="TaxWithholdingsForShareBasedCompensationAwardsVestedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandEighteenOneMember" name="TermAssetBackedSecuredFinancingsTwoThousandEighteenOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandEighteenThreeMember" name="TermAssetBackedSecuredFinancingsTwoThousandEighteenThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandEighteenTwoMember" name="TermAssetBackedSecuredFinancingsTwoThousandEighteenTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandNineteenOneMember" name="TermAssetBackedSecuredFinancingsTwoThousandNineteenOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandNineteenThreeMember" name="TermAssetBackedSecuredFinancingsTwoThousandNineteenThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandNineteenTwoMember" name="TermAssetBackedSecuredFinancingsTwoThousandNineteenTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSeventeenOneMember" name="TermAssetBackedSecuredFinancingsTwoThousandSeventeenOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSeventeenThreeMember" name="TermAssetBackedSecuredFinancingsTwoThousandSeventeenThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSeventeenTwoMember" name="TermAssetBackedSecuredFinancingsTwoThousandSeventeenTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSixteenOneMember" name="TermAssetBackedSecuredFinancingsTwoThousandSixteenOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSixteenThreeMember" name="TermAssetBackedSecuredFinancingsTwoThousandSixteenThreeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandSixteenTwoMember" name="TermAssetBackedSecuredFinancingsTwoThousandSixteenTwoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TermAssetBackedSecuredFinancingsTwoThousandTwentyOneMember" name="TermAssetBackedSecuredFinancingsTwoThousandTwentyOneMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_ThirdPartyProvidersMember" name="ThirdPartyProvidersMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="cacc_TransferofExpectedFutureNetCashFlowsbetweenPrograms" name="TransferofExpectedFutureNetCashFlowsbetweenPrograms" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TrustAssetsAndReinsuranceLiabilitiesAxis" name="TrustAssetsAndReinsuranceLiabilitiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TrustAssetsAndReinsuranceLiabilitiesDomain" name="TrustAssetsAndReinsuranceLiabilitiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TrustAssetsMember" name="TrustAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TwoThousandTwentyFourSeniorNotesMember" name="TwoThousandTwentyFourSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TwoThousandTwentyOneSeniorNotesMember" name="TwoThousandTwentyOneSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TwoThousandTwentySixSeniorNotesMember" name="TwoThousandTwentySixSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_TwoThousandTwentyThreeSeniorNotesMember" name="TwoThousandTwentyThreeSeniorNotesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_UnearnedPremiumMember" name="UnearnedPremiumMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilitiesMember" name="WarehouseFacilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityIIMember" name="WarehouseFacilityIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityIVMember" name="WarehouseFacilityIVMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityVIIIMember" name="WarehouseFacilityVIIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityVIIMember" name="WarehouseFacilityVIIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityVIMember" name="WarehouseFacilityVIMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="cacc_WarehouseFacilityVMember" name="WarehouseFacilityVMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
