1 EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Registration Statement of Giant Industries, Inc. on Form S-4 of our reports dated March 2, 1998, appearing in the Annual Report on Form 10-K of Giant Industries, Inc. for the year ended December 31, 1997, and to the reference to us under the heading "Experts" in the Joint Proxy Statement/Prospectus, which is part of this Registration Statement. DELOITTE & TOUCHE LLP /s/ DELOITTE & TOUCHE LLP - -------------------------------------- Phoenix, Arizona May 1, 1998