Costco Gas Prices in Gilbert, AZ

Gilbert, Arizona has 2 Costco fuel centers serving members in the area. Across Gilbert, regular gas averages $4.499 and premium runs about $0.58 higher at $5.079. That's about $0.03 below the Arizona statewide average of $4.527. Within Gilbert, Costco Gilbert posts the lowest regular at $4.399 and SE Gilbert the highest at $4.599 — a $0.20 spread worth checking before you fuel up. Across Gilbert, regular pump prices have climbed about $0.67 over the past two weeks, from $3.829 two weeks ago. Premium has climbed about $0.75 over the same period. None of the Gilbert Costco fuel centers currently sell diesel.