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| þ | ANNUAL REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|--------|-------------------------------------------------------------------------------------------|

|  ̈ | TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIESEXCHANGE ACT OF 1934 |
|--------|-----------------------------------------------------------------------------------------|

| DELAWARE                        | 27-6692407          |
|---------------------------------|---------------------|
| (State or other jurisdiction of | (I.R.S. Employer    |
| incorporation or organization)  | Identification No.) |

|  ̈ Large accelerated filer |  ̈ Accelerated filer | þ Non-accelerated filer |  ̈ Smaller Reporting Company |
|--------------------------------|--------------------------|------------------------------|----------------------------------|

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| Part I   |                                                                                                                 |   |
|----------|----------------------------------------------------------------------------------------------------------------------|--------|
| Item 1.  | Business*                                                                                                            |   |
| Item 1A. | Risk Factors*                                                                                                        |   |
| Item 1B. | Unresolved Staff Comments                                                                                            |   |
| Item 2.  | Properties*                                                                                                          |   |
| Item 3.  | Legal Proceedings*                                                                                                   |   |
| Item 4.  | Submission of Matters to a Vote of Security Holders*                                                                 |   |
| Part II  |                                                                                                                 |   |
| Item 5.  | Market For Registrant’s Common Equity, Related Stockholder Matters, and Issuer Purchases of Equity Securities* |   |
| 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                                                                                                    |   |
| Part III |                                                                                                                 |   |
| Item 10. | Directors, Executive Officers and Corporate Governance of the Registrant*                                            |   |
| Item 11. | Executive Compensation*                                                                                              |   |
| Item 12. | Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters*                      |   |
| Item 13. | Certain Relationships and Related Transactions and Director Independence*                                            |   |
| Item 14. | Principal Accountant Fees and Services*                                                                              |   |
| Part IV  |                                                                                                                 |   |
| Item 15. | Exhibits, Financial Statement Schedules                                                                              |   |

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|   | · | Custodial account reconciliations contained reconciling items that were not resolved within the required timeframe. |
|--------|--------|---------------------------------------------------------------------------------------------------------------------|

|   | · | Payments made on pool assets were not properly allocated between principal and interest. |
|--------|--------|------------------------------------------------------------------------------------------|

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|   | (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 Ally Auto Assets LLC dated as of September 10, 2009. |
|--------|---------|---------------------------------------------------------------------------------------------|

|   | • | Indenture between Ally Auto Receivables Trust 2010-3 (“Issuing Entity”) and Deutsche Bank Trust Company Americas, as Indenture Trustee (the “Indenture Trustee”), dated as of August 18, 2010. |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Trust Agreement between Ally Auto Assets LLC, as Depositor, and BNY Mellon Trust of Delaware, as Owner Trustee, dated as of August 18, 2010. |
|--------|---------|----------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Pooling and Servicing Agreement among Ally Bank, as Seller, Ally Financial, as Servicer, and Ally Auto Assets LLC, dated as of  August 18, 2010. |
|--------|---------|-------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Rule 13a-14(a)/15d-14(a) Certification (Section 302 Certification). |
|--------|---------|---------------------------------------------------------------------|

|   | • | Report on Assessment of Compliance with Servicing Criteria concerning activities of Ally Financial for the year ended December 31, 2010. |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Report on Assessment of Compliance with Servicing Criteria concerning activities of Deutsche Bank Trust Company Americas for the year ended December 31, 2010. |
|--------|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Registered Public Accounting Firm Attestation Report on Assessment of Compliance with servicing activities of Ally Financial dated March 9, 2011 for the year ended December 31, 2010. |
|--------|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Registered Public Accounting Firm Attestation Report on Assessment of Compliance with servicing activities of Deutsche Bank Trust Company Americas dated February 25, 2011 for the year ended December 31, 2010. |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Servicer Compliance Statement of Ally Financial for the year ended December 31, 2010. |
|--------|---------|---------------------------------------------------------------------------------------|

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|   | • | Trust Sale and Servicing Agreement among Ally Financial, as Servicer, Ally Auto Assets, LLC, as Depositor, and the Issuing Entity, dated as of August 18, 2010. |
|--------|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Custodian Agreement between Ally Financial, as Custodian, and Ally Auto Assets LLC, as Depositor, dated as of August 18, 2010. |
|--------|---------|-------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Administration Agreement among the Issuing Entity, Ally Financial, as Administrator, and Indenture Trustee, dated as of August 18, 2010. |
|--------|---------|-----------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Confirmation of Primary Swap Relating to the Class A-2 Notes between The Royal Bank of Scotland, PLC (“the Swap Counterparty”) and the Issuing Entity dated as of August 18, 2010. |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | Swap Counterparty Rights Agreement among the Swap Counterparty, the Issuing Entity, Ally Financial, as Servicer, Custodian, and Administrator, Ally Auto Assets LLC as the depositor, Deutsche Bank Trust Company Americas, the Indenture Trustee and BNY Mellon Trust of Delaware, the Owner Trustee, dated as of August 18, 2010 |
|--------|---------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | • | ISDA Master Agreement between the Issuing Entity and the Swap Counterparty dated as of August 18, 2010. |
|--------|---------|---------------------------------------------------------------------------------------------------------|

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|   | Ally Auto Receivables Trust 2010-3                      |
|--------|---------------------------------------------------------|
|   |                                                    |
|   | by: Ally Financial, Inc.                                |
|   | (Servicer, not in its individual capacity but solely as |
|   | Servicer on behalf of the Issuing Entity)               |
|   |                                                    |
|   | /s/ David J. DeBrunner                                  |
|   | David J. DeBrunner                                      |
|   | Vice President, Controller and Chief Accounting Officer |
|   | Ally Financial Inc.                                     |
|   | (Senior Officer in charge of the servicing function)    |

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| Exhibit |   | Description                                                                                                                                                                                                                                                                                                                        |   | Method of Filing     |
|---------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------------------|
|    |   |                                                                                                                                                                                                                                                                                                                               |   |                 |
| 3.1     |   | Limited Liability Company Agreement of Ally Auto Assets LLC dated as of September 10, 2009.                                                                                                                                                                                                                                        |   | **                   |
| 4.1     |   | Indenture between Ally Auto Receivables Trust 2010-3 (“Issuing Entity”) and Deutsche Bank Trust Company Americas, as Indenture Trustee (the “Indenture Trustee”), dated as of August 18, 2010.                                                                                                             |   | *                    |
| 4.2     |   | Trust Agreement between Ally Auto Assets LLC, as Depositor, and BNY Mellon Trust of Delaware, as Owner Trustee, dated as of August 18, 2010.                                                                                                                                                                                       |   | *                    |
| 4.3     |   | Pooling and Servicing Agreement among Ally Bank, as Seller, Ally Financial, as Servicer, and Ally Auto Assets LLC, dated as of August 18, 2010.                                                                                                                                                                     |   | *                    |
| 31.1    |   | Certification of Executive Officer Pursuant to Rule 13a-14(a)/15d-14(a)                                                                                                                                                                                                                                                            |   | Filed herewith.      |
| 33.1    |   | Report on Assessment of Compliance with Servicing Criteria concerning activities of Ally Financial for the year ended December 31, 2010.                                                                                                                                                                                           |   | Filed herewith.      |
| 33.2    |   | Report on Assessment of Compliance with Servicing Criteria concerning activities of Deutsche Bank Trust Company Americas for the year ended December 31, 2010.                                                                                                                                                                     |   | Filed herewith.      |
| 34.1    |   | Registered Public Accounting Firm Attestation Report on Assessment of Compliance with servicing activities of Ally Financial dated March 9, 2011 for the year ended December 31, 2010.                                                                                                                                             |   | Filed herewith.      |
| 34.2    |   | Registered Public Accounting Firm Attestation Report on Assessment of Compliance with servicing activities of Deutsche Bank Trust Company Americas, dated February 25, 2011 for the year ended December 31, 2010.                                                                                                                  |   | Filed herewith. |
| 35.1    |   | Servicer Compliance Statement of Ally Financial for the year ended December 31, 2010.                                                                                                                                                                                                                                              |   | Filed herewith.      |
| 99.1    |   | Trust Sale and Servicing Agreement among Ally Financial, as Servicer, Ally Auto Assets, LLC, as Depositor, and the Issuing Entity, dated as of August 18, 2010                                                                                                                                                                     |   | *                    |
| 99.2    |   | Custodian Agreement between Ally Financial, as Custodian, and Ally Auto Assets LLC, as Depositor, dated as of August 18, 2010.                                                                                                                                                                                                     |   | *                    |
| 99.3    |   | Administration Agreement among the Issuing Entity, Ally Financial, as Administrator, and Indenture Trustee, dated as of August 18, 2010                                                                                                                                                                                            |   | *                    |
| 99.4    |   | ISDA Master Agreement between the Issuing Entity and The Royal Bank of Scotland, PLC (the “Swap Counterparty”) dated as of August 18, 2010                                                                                                                                                                             |   | *                    |
| 99.5    |   | Confirmation of Primary Swap Relating to the Class A-2 Notes between the Swap Counterparty and the Issuing Entity dated as of August 18, 2010.                                                                                                                                                                                     |   | *                    |
| 99.6    |   | Swap Counterparty Rights Agreement among the Swap Counterparty, the Issuing Entity, Ally Financial, as Servicer, Custodian, and Administrator, Ally Auto Assets LLC as the depositor, Deutsche Bank Trust Company Americas, the Indenture Trustee and BNY Mellon Trust of Delaware, the Owner Trustee, dated as of August 18, 2010 |   | *                    |

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| * | Incorporated by reference to the corresponding Exhibit to the Issuing Entity’s Current Report on Form 8-K filed on August 16, 2010 (File No. 333-163392-04). |
|---|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| ** | Incorporated by reference to Exhibit 3.1 of Ally Auto Assets LLC’s Form S-3 Registration Statement filed on November 27, 2009 (File No. 333-163392). |
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