Costco Oklahoma Gas Prices

Costco operates 4 fuel centers in Oklahoma across 3 cities, with the largest cluster in Tulsa (2 stations). Across the state, regular gas averages $3.351, premium runs about $0.485 higher at $3.837, and diesel sits at $5.139. The lowest-priced regular pump is at Costco North Tulsa in Tulsa at $3.159, while Tulsa in Tulsa sits about $0.410 higher. Across the state, regular pump prices have held roughly flat over the past month. Premium has eased about $0.020 and diesel has climbed about $0.440 over the same period. Diesel is sold at 1 of the 4 Oklahoma locations.

If your vehicle takes premium, the lowest in Oklahoma is Costco North Tulsa in Tulsa at $3.559. The cheapest diesel is at Costco Tulsa in Tulsa at $5.139. Pump prices shift from one warehouse to the next with local taxes, fuel-blend rules, and transport costs, but Costco fuel is members-only and usually runs below nearby branded stations — which is what keeps these pumps busy.