Costco Gas Prices in Tustin, CA
2 Costco fuel centers in Tustin · 0 of 2 sell diesel
Tustin Avg Regular
$5.329
per gallon
Tustin Avg Premium
$5.729
per gallon
Tustin Avg Diesel
Not sold at any station in Tustin
Tustin regular is$0.033abovethe California average ($5.296)
vs U.S. average$1.139above($4.190)
Premium runs$0.400above regular on average
Tustin, California has 2 Costco fuel centers serving members in the area. Across Tustin, regular gas averages $5.329 and premium runs about $0.400 higher at $5.729. That's about $0.033 above the California statewide average of $5.296. Within Tustin, Costco Tustin posts the lowest regular at $5.299 and Tustin Ranch the highest at $5.359 — a $0.060 spread worth checking before you fuel up. Across Tustin, regular pump prices have eased about $0.070 over the past month, from $5.399 a month ago. Premium has eased about $0.110 over the same period. None of the Tustin Costco fuel centers currently sell diesel.