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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549
 FORM 10-K
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    ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
 For the fiscal year ended December 31,
2006
 OR
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    TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF
1934
 For the transition period form
_________ to
_________.
 Commission file number of issuing entity: 333-105077-06
 Commission file number of depositor: 333-105077
 Capital Auto Receivables Asset Trust 2006-1
  Capital Auto Receivables LLC
  GMAC LLC
  DELAWARE
    
    20-4208429(State or other jurisdiction of
    
    (I.R.S. Employerincorporation or organization)
    
    Identification No.)
 c/o GMAC LLC
200 Renaissance Center
P.O. Box 200 Detroit, Michigan
48265-2000
 (313) 556-5000
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INDEX  Capital Auto Receivables Asset Trust 2006-1
 Part IItem 1.
    
    Business
    
    
    *Item 1A.
    
    Risk Factors
    
    
    *Item 1B.
    
    Unresolved
Staff Comments
    
    
    2Item 2.
    
    Properties
    
    
    *Item 3.
    
    Legal Proceedings
    
    
    *Item 4.
    
    Submission of Matters to a Vote of Security Holders
    
    
    *Part IIItem 5.
    
    Market For Registrants Common Equity and Related Stockholder Matters
    
    
    *Item 6.
    
    Selected Financial Data
    
    
    *Item 7.
    
    Management's Discussion and Analysis of Financial Condition and Results of Operations
    
    
    *Item 7A.
    
    Quantitative and Qualitative Disclosures About Market Risk
    
    
    *Item 8.
    
    Financial Statements and Supplementary Data
    
    
    *Item 9.
    
    Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
    
    
    *Item 9A.
    
    Controls and Procedure
    
    
    *Item 9B.
    
    Other
Information
    
    
    2Part IIIItem 10.
    
    Directors and Executive Officers of the Registrant
    
    
    *Item 11.
    
    Executive Compensation
    
    
    *Item 12.
    
    Security Ownership of Certain Beneficial Owners and Management
    
    
    *Item 13.
    
    Certain Relationships and Related Transactions
    
    
    *Item 14.
    
    Principal Accountant Fees and Services
    
    
    *Part IVItem 15.
    
    Exhibits,
Financial Statement Schedules
    
    
    3Section 302 Certification of Chief Executive OfficerReport on Assessment of Compliance with Servicing Criteria concerning activities of GMAC LLCReport on Assessment of Compliance with Servicing Criteria concerning activities of The Bank of New York Trust Company, N.A.Registered Public Accounting Firm Attestation ReportRegistered Public Accounting Firm Attestation ReportServicer Compliance Statement of GMAC LLCAggregate Annual Servicing Report
 
 *
    
    Item is omitted in accordance with General Instructions J to Form 10-K.  1




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Part I
 
 Item 1B. Unresolved Staff Comments
  Substitute information provided in accordance with General Instruction J to Form 10-K:
 Item 1112(b) of Regulation AB. Significant Obligors of Pool Assets (Financial Information).
  Item 1114(b)(2) of Regulation AB. Credit Enhancement and Other Support, Except for Certain
Derivatives Instruments (Financial Information).
  Item 1115(b) of Regulation AB. Certain Derivatives Instruments (Financial Information).
 Item 1117 of Regulation AB. Legal Proceedings.
  
 Part II
 
 Item 9B. Other Information
 
 Part III
 Substitute information provided in accordance with General Instruction J to Form 10-K
 Item 1119 of Regulation AB. Affiliations and Certain Relationships and Related Transactions.
 Item 1122 of Regulation AB. Compliance with Applicable Servicing Criteria.
  Item 1123 of Regulation AB. Servicer Compliance Statement.
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Part IV
 
 Item 15. Exhibits, Financial Statement Schedules
 (a)
    
    List the following documents filed as a part of the report:
 (1)
    
    Financial Statements  Not Applicable.(2)
    
    Financial Statement Schedules  Not Applicable(3)
    
    Exhibits
 
    
    Limited Liability Company Agreement of Capital Auto Receivables LLC entered
into on October 20, 2006, as amended by Amendment No. 1 to Limited Liability
Company Agreement, dated as of November 20, 2006.
    
    Indenture between Capital Auto Receivables Asset Trust 2006-1 (Issuing
Entity) and The Bank of New York Trust Company, N.A. (as successor by merger to
JPMorgan Chase Bank, N.A.), as indenture trustee (the Indenture Trustee), dated
as of February 16, 2006.
    
    Trust Agreement between Capital Auto Receivables LLC (previously known as
Capital Auto Receivables, Inc.) (CARI), as Seller, and Deutsche Bank Trust
Company Delaware, as Owner Trustee, dated as of February 16, 2006.
    
    Pooling and Servicing Agreement between GMAC LLC (previously known as General
Motors Acceptance Corporation) (GMAC) and CARI, dated as of February 16, 2006.
    
    Rule 13a-14(a)/15d-14(a) Certification (Section 302 Certification).
    
    Report on Assessment of Compliance with Servicing Criteria concerning
activities of GMAC LLC for the year ended December 31, 2006.
    
    Report on Assessment of Compliance with Servicing Criteria concerning
activities of The Bank of New York Trust Company, N.A. for the year ended December
31, 2006.
    
    Registered Public Accounting Firm Attestation Report on Assessment of
Compliance with servicing activities of GMAC LLC dated March 15, 2007 for the year
ended December 31, 2006.
    
    Registered Public Accounting Firm Attestation Report on Assessment of
Compliance with servicing activities of The Bank of New York Trust Company, N.A.
dated March 1, 2007 for the year ended December 31, 2006.
    
    Servicer Compliance Statement of GMAC LLC for the year ended December 31, 2006.
    
    Trust Sale and Servicing Agreement among GMAC, as Servicer, CARI, as the
Seller, and the Issuing Entity, dated as of February 16, 2006.
    
    Custodian Agreement between GMAC, as Custodian, and CARI, as Seller, dated as
of February 16, 2006.
    
    Administration Agreement among Issuing Entity and GMAC, as Administrator, and
Indenture Trustee, dated as of February 16, 2006.
    
    Annual Statement to Noteholders and Certificateholders stating aggregate totals
of information in distribution reports.
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Signature
  Capital Auto Receivables Asset Trust 2006-1by: GMAC LLC(Servicer, not in its individual capacity but
solely as Servicer on behalf of the Issuing Entity)/s/ Mark E. Newman(Mark E. Newman, Vice President  and ChiefFinancial Officer of GMAC LLC North American Operations) March 30, 2007
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Index of Exhibits
 Exhibit
    
    Description
    
    Method of Filing3.1
    
    Limited Liability Company Agreement of Capital Auto Receivables LLC entered into
on October 20, 2006, as amended by Amendment No. 1 to Limited Liability Company
Agreement, dated as of November 20, 2006.
    
    *4.1
    
    Indenture between Capital Auto Receivables Asset Trust 2006-1 (Issuing Entity)
and The Bank of New York Trust Company, N.A. (as successor by merger to JPMorgan
Chase Bank, N.A.), as indenture trustee (the Indenture Trustee), dated as of
February 16, 2006.
    
    **4.2
    
    Trust Agreement between Capital Auto Receivables LLC (previously known as
Capital Auto Receivables, Inc.) (CARI), as Seller, and Deutsche Bank Trust
Company Delaware, as Owner Trustee, dated as of February 16, 2006.
    
    **4.3
    
    Pooling and Servicing Agreement between GMAC LLC (previously known as General
Motors Acceptance Corporation) (GMAC) and CARI, dated as of February 16, 2006.
    
    **31
    
    Certification of Executive Officer Pursuant to Rule 13a-14/15d-14
    
    Filed herewith.33.1
    
    Report on Assessment of Compliance with Servicing Criteria concerning activities
of GMAC LLC for the year ended December 31, 2006.
    
    Filed herewith.33.2
    
    Report on Assessment of Compliance with Servicing Criteria concerning activities
of The Bank of New York Trust Company, N.A. for the year ended December 31,
2006.
    
    Filed herewith.34.1
    
    Registered Public Accounting Firm Attestation Report on Assessment of Compliance
with servicing activities of GMAC LLC dated March 15, 2007 for the year ended
December 31, 2006.
    
    Filed herewith.34.2
    
    Registered Public Accounting Firm Attestation Report on Assessment of Compliance
with servicing activities of The Bank of New York Trust Company, N.A. dated
March 1, 2007 for the year ended December 31, 2006.
    
    Filed herewith.35.1
    
    Servicer Compliance Statement of
GMAC LLC for the year ended December 31, 2006.
    
    Filed herewith.99.1
    
    Trust Sale and Servicing Agreement among GMAC, as Servicer, CARI, as the Seller,
and the Issuing Entity, dated as of February 16, 2006.
    
    **99.2
    
    Custodian Agreement between GMAC, as Custodian, and CARI, as Seller, dated as of
February 16, 2006.
    
    **99.3
    
    Administration Agreement among Issuing Entity and GMAC, as Administrator, and
Indenture Trustee, dated as of February 16, 2006.
    
    **99.4
    
    Aggregate Annual Servicing Report
For Capital Auto Receivables Asset Trust 2006-1.
    
    Filed herewith.
 
 *
    
    Incorporated by reference to Exhibit 3.1 to Capital Auto Receivables LLCs Post-Effective
Amendment No. 3 to Registration Statement on Form S-3 filed on December 4, 2006 (File No.
333-105077).**
    
    Incorporated by reference to the corresponding exhibit to the Issuing Entitys Current Report on
Form 8-K filed on February 23, 2006 (File No. 333-105077-06). 5