Costco Colorado Gas Prices
Find the cheapest Costco gas in Colorado— every fuel center ranked by today's price.
15 Costco fuel centers in 13 cities · 2 of 15 sell diesel
Costco operates 15 fuel centers in Colorado across 13 cities, with the largest cluster in Colorado Springs (2 stations). Across the state, regular gas averages $4.004, premium runs about $0.697 higher at $4.701, and diesel sits at $6.329. The lowest-priced regular pump is at Costco Longmont in Longmont at $3.759, while Gypsum in Gypsum sits about $0.640 higher. Across the state, regular pump prices have eased about $0.039 over the past month, from $4.043 a month ago. Premium has eased about $0.030 and diesel has climbed about $0.480 over the same period. Diesel is sold at 2 of the 15 Colorado locations.
If your vehicle takes premium, the lowest in Colorado is Costco Longmont in Longmont at $4.379. The cheapest diesel is at Costco Timnath in Timnath at $6.199. 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 Colorado average price trend
Browse Colorado cities
All Colorado stations by price
| Station | Regular | Premium |
|---|---|---|
| Longmont Longmont | $3.759 | $4.379 |
| Arvada Arvada | $3.899 | $4.659 |
| Thornton Thornton | $3.899 | $4.659 |
| Westminster Westminster | $3.899 | $4.659 |
| Aurora Aurora | $3.959 | $4.659 |
| NE Denver Denver | $3.959 | $4.659 |
| E Colorado Springs Colorado Springs | $3.999 | $4.659 |
| Sheridan Sheridan | $3.999 | $4.729 |
| Superior Superior | $3.999 | $4.699 |
| SW Denver Littleton | $3.999 | $4.699 |