Costco Gas Prices in Tucson, AZ

Tucson, Arizona has 3 Costco fuel centers serving members in the area. Across Tucson, regular gas averages $3.346 and premium runs about $0.65 higher at $3.999. That's about $0.13 below the Arizona statewide average of $3.480. Within Tucson, Costco NW Tucson posts the lowest regular at $3.299 and Tucson the highest at $3.439 — a $0.14 spread worth checking before you fuel up. Across Tucson, regular pump prices have eased about $0.65 over the past month, from $3.999 a month ago. Premium has eased about $0.70 over the same period. None of the Tucson Costco fuel centers currently sell diesel.