The Greenbrier Companies, Inc. (GBX) 10-K 2009 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-52032, 333-116102, 333-127922, 333-157591, and 333-157593 on Form S-8 and Registration Statement No. 333-136014 on Form S-3 of our reports dated November 12, 2009, relating to the consolidated financial statements of The Greenbrier Companies, Inc. and the effectiveness of The Greenbrier Companies, Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of The Greenbrier Companies, Inc. for the year ended August 31, 2009.

/s/ Deloitte & Touche

Portland, Oregon

November 12, 2009