Costco Alabama Gas Prices

Costco operates 5 fuel centers in Alabama, spread across 5 cities. Across the state, regular gas averages $3.693 and premium runs about $0.718 higher at $4.411. The lowest-priced regular pump is at Costco Mobile in Mobile at $3.599, while Montgomery in Montgomery sits about $0.140 higher. Across the state, regular pump prices have eased about $0.080 over the past month, from $3.773 a month ago. Premium has eased about $0.116 over the same period.

If your vehicle takes premium, the lowest in Alabama is Costco Montgomery in Montgomery at $4.239. 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.