##### 



Exhibit 99.1
 Aggregate Annual Servicing Report
Capital Auto Receivables Asset Trust 2005-1
June 2, 2005 (inception) through December 31, 2005
 Original InputsTotal Pool Balance
    
    $
    3,313,888,879.69Class A-1 Notes Balance
    
    $
    550,000,000.00Class A-1 Notes Rate
    
    One Month LIBOR + 0.01%Class A-2a Notes Balance
    
    $
    450,000,000.00Class A-2a Notes Rate
    
    One Month LIBOR + 0.04%Class A-2b Notes Balance
    
    $
    250,000,000.00Class A-2b Notes Rate
    
    
    3.730
    %Class A-3 Notes Balance
    
    $
    600,000,000.00Class A-3 Notes Rate
    
    One Month LIBOR + 0.06%Class A-4 Notes Balance
    
    $
    760,000,000.00Class A-4 Notes Rate
    
    
    4.050
    %Class A-5 Notes Balance
    
    $
    229,825,000.00Class A-5 Notes Rate
    
    One Month LIBOR + 0.10%Class B Notes Balance
    
    $
    122,803,000.00Class B Notes Rate
    
    One Month LIBOR + 0.375%Class C Notes Balance
    
    $
    46,051,000.00Class C Notes Rate
    
    
    4.730
    %Class D Notes Balance
    
    $
    30,701,000.00Class D Notes Rate
    
    
    6.500
    %Overcollateralization
    
    $
    30,701,224.17Reserve Account Deposit
    
    $
    15,350,406.12Discount Rate
    
    
    7.50
    %Part I. CollectionsReceipts During the Period
    
    $
    903,735,718.70Principal on Repurchased Contracts
    
    
    48,704,081.30Liquidation Proceeds (Recoveries)
    
    
    5,050,689.11Schedule and Simple Interest Payments Advanced
    
    
    4,288,288.67Schedule Principal Advanced
    
    
    8,655,340.86Total Collections Available For the Period
    
    $
    970,434,118.64Beginning Pool Aggregate Principal Balance
    
    $
    3,313,888,879.69Ending Pool Aggregate Principal Balance
    
    $
    2,419,791,935.85Scheduled Principal Collection
    
    $
    730,632,672.94Beginning Aggregate Discounted Principal Balance
    
    $
    3,070,081,224.17Ending Aggregate Discounted Principal Balance
    
    $
    2,261,612,942.70




---



##### 



Aggregate Annual Servicing Report
Capital Auto Receivables Asset Trust 2005-1
June 2, 2005 (inception) through December 31, 2005
 Part II. Distributions to Noteholders and CertificateholdersTotal Collections
    
    $
    970,434,118.64Plus: Reserve Account Draw
    
    
    Plus: Net Amount Due From Swap Counterparty
    
    
    1,393,860.52Less: Total Servicing Fee
    
    
    35,674,819.61Less: Net Amount Due to Swap Counterparty
    
    
    1,683,679.56Less: Monthly Interest Due to Noteholders
    
    
    64,759,229.29Less: Principal Due to Noteholders
    
    
    808,468,281.47Less: Reserve Account Deposit
    
    
    Less: Accumulation Account Deposit
    
    
    Equals Reserve Fund Excess to be released to CARI
    
    $
    61,241,969.22Per $1000 ofClass A-1 Notes Distributable Amount
    
    
    
    
    
    Original PrincipalMonthly Interest
    
    $
    4,054,091.91
    
    
    
    7.356632Monthly Principal
    
    
    550,000,000.00
    
    
    
    1,000.000000Distributable Amount
    
    $
    554,054,091.91
    
    
    
    Class A-2a Notes Distributable AmountMonthly Interest
    
    $
    10,214,615.84
    
    
    
    22.684702Monthly Principal
    
    
    166,158,180.95
    
    
    
    369.240402Distributable Amount
    
    $
    176,372,796.79
    
    
    
    Class A-2b Notes Distributable AmountMonthly Interest
    
    $
    5,505,053.46
    
    
    
    22.020214Monthly Principal
    
    
    92,310,100.53
    
    
    
    369.240402Distributable Amount
    
    $
    97,815,153.99
    
    
    
    Class A-3 Notes Distributable AmountMonthly Interest
    
    $
    14,504,507.99
    
    
    
    24.159736Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    14,504,507.99
    
    
    
    Class A-4 Notes Distributable AmountMonthly Interest
    
    $
    19,066,500.00
    
    
    
    25.087500Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    19,066,500.00
    
    
    
    Class A-5 Notes Distributable AmountMonthly Interest
    
    $
    5,614,308.62
    
    
    
    7.034531Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    5,614,308.62
    
    
    
    Class B Notes Distributable AmountMonthly Interest
    
    $
    3,214,728.34
    
    
    
    26.163486Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    3,214,728.34
    
    
    
    Class C Notes Distributable AmountMonthly Interest
    
    $
    1,349,281.50
    
    
    
    29.299722Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    1,349,281.50
    
    
    
    Class D Notes Distributable AmountMonthly Interest
    
    $
    1,236,141.63
    
    
    
    40.263888Monthly Principal
    
    
    
    
    
    
    Distributable Amount
    
    $
    1,236,141.63
    
    
    
    Total Servicing Fee
    
    $
    35,674,819.61
    
    
    
    10.765243LIBOR Rate effective for current Distribution PeriodMay
    
    
    3.13
    %June
    
    
    3.22
    %July
    
    
    3.39
    %August
    
    
    3.57
    %September
    
    
    3.77
    %October
    
    
    3.97
    %November
    
    
    4.12
    %December
    
    
    4.37
    %




---



##### 



Aggregate Annual Servicing Report
Capital Auto Receivables Asset Trust 2005-1
June 2, 2005 (inception) through December 31, 2005
 Part III. Payment Ahead and Advances
 Payment Ahead Servicing AccountBeginning Payment Ahead Balance
    
    $
    4,381,171.98Less: Payments Applied
    
    
    12,152,613.67Current Period Payments Ahead Received
    
    
    12,891,908.90Ending Payment Ahead Balance
    
    $
    5,120,467.21Advance AccountBeginning Outstanding Unreimbursed Scheduled Principal and Interest Advances
    
    $
    Beginning Outstanding Unreimbursed Simple Interest Advances
    
    
    Scheduled Principal and Interest Advances
    
    
    10,499,610.51Simple Interest Advances
    
    
    2,444,019.02Reimbursement of Previous Scheduled Principal and Interest Advances
    
    
    6,712,928.96Reimbursement of Previous Simple Interest Advances
    
    
    124,379.45Ending Outstanding Unreimbursed Scheduled Principal and Interest Advances
    
    $
    3,786,681.55Ending Outstanding Unreimbursed Simple Interest Advances
    
    $
    2,319,639.57Part IV. Balances & Principal FactorsBeginning of Period
    
    End of PeriodTotal Pool Balance
    
    $
    3,313,888,879.69
    
    
    $
    2,419,791,935.85Total Pool Factor
    
    
    1.0000000
    
    
    
    0.7301971Class A-1 Notes Balance
    
    $
    550,000,000.00
    
    
    $
    Class A-1 Notes Principal Factor
    
    
    1.0000000
    
    
    
    Class A-2a Notes Balance
    
    $
    450,000,000.00
    
    
    $
    283,841,819.06Class A-2a Notes Principal Factor
    
    
    1.0000000
    
    
    
    0.6307596Class A-2b Notes Balance
    
    $
    250,000,000.00
    
    
    $
    157,689,899.48Class A-2b Notes Principal Factor
    
    
    1.0000000
    
    
    
    0.6307596Class A-3 Notes Balance
    
    $
    600,000,000.00
    
    
    $
    600,000,000.00Class A-3 Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Class A-4 Notes Balance
    
    $
    760,000,000.00
    
    
    $
    760,000,000.00Class A-4 Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Class A-5 Notes Balance
    
    $
    229,825,000.00
    
    
    $
    229,825,000.00Class A-5 Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Class B Notes Balance
    
    $
    122,803,000.00
    
    
    $
    122,803,000.00Class B Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Class C Notes Balance
    
    $
    46,051,000.00
    
    
    $
    46,051,000.00Class C Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Class D Notes Balance
    
    $
    30,701,000.00
    
    
    $
    30,701,000.00Class D Notes Principal Factor
    
    
    1.0000000
    
    
    
    1.0000000Pool Statistics  Inception
    
    
    
    
    
    InceptionNumber of Accounts
    
    
    
    
    
    
    189,292Weighted Average Coupon
    
    
    
    
    
    
    4.24
    %Weighted Average Remaining Term
    
    
    
    
    
    
    47.87Weighted Average Age
    
    
    
    
    
    
    12.75Pool Statistics  December
    
    
    
    
    
    DecemberNumber of Accounts
    
    
    
    
    
    
    162,385Weighted Average Coupon
    
    
    
    
    
    
    4.01
    %Weighted Average Remaining Term
    
    
    
    
    
    
    41.15Weighted Average Age
    
    
    
    
    
    
    20.33
 Page 3




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##### 



Aggregate Annual Servicing ReportCapital Auto Receivables Asset Trust 2005-1
  June 2, 2005 (inception) through December 31, 2005
 Part V. Reserve Account
 Per $1000 ofOriginal PrincipalBeginning Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Draw for Servicing Fee
    
    
    
    
    
    
    
    
    
    
    Draw for Class A-1a Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class A-1b Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class A-2 Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class A-3 Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class A-4 Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class B Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class C Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Draw for Class D Notes Distributable Amount
    
    
    
    
    
    
    
    
    
    
    Additions to Reserve Account (for Accumulation Account)
    
    
    
    
    
    
    
    
    
    
    Additions to Reserve Account
    
    
    
    
    
    
    
    
    
    
    Releases from Reserve Account
    
    
    
    
    
    
    
    
    
    
    Ending Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Early Amortization Trigger:Reserve Account Balance is less than the
Specified Reserve Account Balance for Two Consecutive MonthsPreceding
Collection PeriodSpecified Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Current Collection PeriodSpecified Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Reserve Account Balance
    
    
    
    
    
    $
    15,350,406.12Part VI. Carryover ShortfallPer $1000
ofOriginal PrincipalNoteholders Interest Carryover Shortfall
    
    
    
    
    
    $
    
    
    
    
    Noteholders Principal Carryover Shortfall
    
    
    
    
    
    $
    
    
    
    
    Part VII. Charge Off and Delinquency RatesCharge Off Rate
    
    Average Receivables
    
    Net Charge-Offs
    
    Loss RateMay 2005
    
    $
    3,265,692,014.43
    
    
    $
    
    
    
    
    0.0000
    %June 2005
    
    $
    3,150,004,758.19
    
    
    $
    45,775.55
    
    
    
    0.0174
    %July 2005
    
    $
    3,022,592,977.10
    
    
    $
    358,403.81
    
    
    
    0.1423
    %August 2005
    
    $
    2,900,272,072.86
    
    
    $
    764,218.55
    
    
    
    0.3162
    %September 2005
    
    $
    2,782,587,827.89
    
    
    $
    815,133.27
    
    
    
    0.3515
    %October 2005
    
    $
    2,674,017,966.22
    
    
    $
    955,441.68
    
    
    
    0.4288
    %November 2005
    
    $
    2,570,508,246.07
    
    
    $
    1,291,500.48
    
    
    
    0.6029
    %December 2005
    
    $
    2,470,037,796.31
    
    
    $
    1,658,951.49
    
    
    
    0.8060
    %Average Loss Rate
    
    
    
    
    
    
    
    
    
    
    0.3331
    %Delinquency Rate*
    
    Total Accounts
    
    Accounts Over 60
    
    % DelinquentMay 2005
    
    
    188,051
    
    
    
    10
    
    
    
    0.0053
    %June 2005
    
    
    183,889
    
    
    
    380
    
    
    
    0.2066
    %July 2005
    
    
    180,398
    
    
    
    553
    
    
    
    0.3065
    %August 2005
    
    
    176,523
    
    
    
    649
    
    
    
    0.3677
    %September 2005*
    
    
    173,080
    
    
    
    724
    
    
    
    0.4183
    %October 2005*
    
    
    169,160
    
    
    
    789
    
    
    
    0.4664
    %November 2005*
    
    
    165,693
    
    
    
    698
    
    
    
    0.4213
    %December 2005*
    
    
    162,385
    
    
    
    800
    
    
    
    0.4927
    %Three Month Average Delinquency Rate
    
    
    
    
    
    
    
    
    
    
    0.3356
    %* Includes delinquencies on Hurricane accounts
held in special handling. The delinquency detail on
the Hurricane accounts only is as follows:Hurricane AccountsSeptember Accounts Over 60
    
    
    47October Accounts Over 60
    
    
    75November Accounts Over 60
    
    
    88December Accounts Over 60
    
    
    137December Delinquency Stratification
    
    Total Accounts
    
    Total $31 - 60 days
    
    
    4,802
    
    
    $
    72,520,618.7661 - 90 days
    
    
    655
    
    
    $
    10,409,829.79> 90 days
    
    
    145
    
    
    $
    2,553,013.42
 Page 4




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##### 



Aggregate Annual Servicing ReportCapital Auto Receivables Asset Trust 2005-1
  June 2, 2005 (inception) through December 31, 2005
 Part VIII. Prepayment Rate
 Month
    
    Prepayment Rate1
    
    
    0.728%2
    
    
    1.980%3
    
    
    1.570%4
    
    
    1.811%5
    
    
    1.410%6
    
    
        1.330%7
    
    
    1.206%8
    
    
    1.275%
 Page 5