Costco Alabama Gas Prices
Find the cheapest Costco gas in Alabama— every fuel center ranked by today's price.
5 Costco fuel centers in 5 cities · 0 of 5 sell diesel
Costco operates 5 fuel centers in Alabama, spread across 5 cities. Across the state, regular gas averages $3.155 and premium runs about $0.66 higher at $3.819. The lowest-priced regular pump is at Costco Mobile in Mobile at $3.059, while Montgomery in Montgomery sits about $0.12 higher. Across the state, regular pump prices have eased about $0.24 over the past month, from $3.399 a month ago. Premium has eased about $0.29 over the same period.
If your vehicle takes premium, the lowest in Alabama is Costco Mobile in Mobile at $3.699. 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.
30-day Alabama average price trend
Browse Alabama cities
All Alabama stations by price
| Station | Regular | Premium |
|---|---|---|
| Mobile Mobile | $3.059 | $3.699 |
| Hoover Hoover | $3.179 | $3.999 |
| Huntsville Huntsville | $3.179 | $3.799 |
| Madison Madison | $3.179 | $3.799 |
| Montgomery Montgomery | $3.179 | $3.799 |
Frequently asked questions
Which Costco has the cheapest gas in Alabama?
As of the latest daily update, Costco Mobile in Mobile has the cheapest regular gas in Alabama at $3.059 USD per gallon. Pump prices change daily, so check the ranking on this page for the current order.
How much is Costco gas in Alabama right now?
Across the 5 Costco fuel centers in Alabama, regular averages $3.155 USD per gallon and premium $3.819. Those are averages of the latest pump prices — individual stations vary, so see the per-station table on this page.
Does Costco sell diesel in Alabama?
None of the 5 Costco fuel centers in Alabama currently report a diesel price. Diesel availability varies by warehouse — check individual station pages for the latest.
Is Costco gas in Alabama cheaper than average?
Alabama Costco regular averages $3.155, about $0.67 lower than the national U.S. Costco average of $3.823. Wherever you fill up, Costco fuel is usually priced below nearby branded stations.
Do you need a Costco membership to buy gas in Alabama?
Yes — Costco gas stations in Alabama are members-only. You scan a membership card or a Costco Shop Card at the pump before fueling; non-members can't buy fuel at Costco.
How do you pay for gas at Costco in Alabama?
Costco gas stations in Alabama take any Visa credit card, PIN debit, a Costco Shop Card, and Apple Pay or Google Pay linked to a Visa — but not Mastercard, Amex, Discover, or cash at the pump.
What time do Costco gas stations open in Alabama?
Hours vary by location, and the gas station usually opens earlier and closes later than the warehouse itself. For example, the gas station at Costco Mobile runs 6AM – 10PM on weekdays. Check the individual station page for exact hours before a long drive.