Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements of Group 1 Automotive, Inc. and in each related Prospectus of our reports dated February 24, 2009, with respect to the consolidated financial statements of Group 1 Automotive, Inc. and the effectiveness of internal control over financial reporting of Group 1 Automotive, Inc., included in this Annual Report (Form 10-K) for the year ended December 31, 2008.

1.	Registration Statement (Form S-3 No. 333-75714) of Group 1 Automotive, Inc. and related Prospectus
2.	Registration Statement (Form S-3 No. 333-137088) of Group 1 Automotive, Inc. and related Prospectus
3.	Registration Statement (Form S-4 No. 333-109080) of Group 1 Automotive, Inc. and related Prospectus
4.	Registration Statement (Form S-8) pertaining to the Group 1 Automotive, Inc. 1998 Employee Stock Purchase Plan (No. 333-137081)
5.	Registration Statement (Form S-8) pertaining to the Group 1 Automotive, Inc. 401(k) Savings Plan (No. 333-113679)
6.	Registration Statement (Form S-8) pertaining to the Group 1 Automotive, Inc. Deferred Compensation Plan and the Group 1 Automotive, Inc. 2007 Long Term Incentive Plan (No. 333-145034)

Houston, Texas
February 24, 2009

/s/ Ernst & Young LLP