EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in this Form 8-K/A of Diamond Shamrock, Inc. and in the Registration Statements of Diamond Shamrock, Inc. on Form S-3 (Nos. 33-67166 and 33-67556) and on Form S-8 (Nos. 33-15268, 33-34306, 33-50573, 33-47761, 33-59025 and 33-64645) of our report dated September 19, 1995 appearing in the Annual Report on Form 10-K of National Convenience Stores Incorporated for the year ended June 30, 1995. /s/Deloitte & Touche LLP DELOITTE & TOUCHE LLP Houston, Texas February 14, 1996