Costco Gas Prices in Tustin, CA
2 Costco fuel centers in Tustin · 0 of 2 sell diesel
Tustin Avg Regular
$5.679
per gallon
Tustin Avg Premium
$6.069
per gallon
Tustin Avg Diesel
Not sold at any station in Tustin
Tustin regular is$0.024belowthe California average ($5.703)
vs U.S. average$1.253above($4.426)
Premium runs$0.390above regular on average
Tustin, California has 2 Costco fuel centers serving members in the area. Across Tustin, regular gas averages $5.679 and premium runs about $0.390 higher at $6.069. That's about $0.024 below the California statewide average of $5.703. Within Tustin, Costco Tustin posts the lowest regular at $5.679 and Tustin Ranch the highest at $5.679 — a $0.000 spread worth checking before you fuel up. Across Tustin, regular pump prices have eased about $0.060 over the past month, from $5.739 a month ago. Premium has eased about $0.030 over the same period. None of the Tustin Costco fuel centers currently sell diesel.