EXHIBIT 23.1

       CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement
No. 333-113590 on Form S-3 and Nos. 33-35357, 333-104249, and 333-
80577, all on Form S-8, of our report dated June 26, 2006, appearing in
this Annual Report on Form 11-K of Giant Industries, Inc. and
Affiliated Companies 401(k) Plan for the year ended December 31, 2005.

/s/ DELOITTE & TOUCHE LLP
Phoenix, Arizona

June 26, 2006