Costco Wisconsin Gas Prices
Find the cheapest Costco gas in Wisconsin— every fuel center ranked by today's price.
11 Costco fuel centers in 11 cities · 2 of 11 sell diesel
Costco operates 11 fuel centers in Wisconsin, spread across 11 cities. Across the state, regular gas averages $3.624, premium runs about $0.973 higher at $4.596, and diesel sits at $4.794. The lowest-priced regular pump is at Costco Pleasant Prairie in Pleasant Prairie at $3.499, while Grafton in Grafton sits about $0.360 higher. Across the state, regular pump prices have eased about $0.067 over the past month, from $3.691 a month ago. Premium has eased about $0.097 and diesel has climbed about $0.415 over the same period. Diesel is sold at 2 of the 11 Wisconsin locations.
If your vehicle takes premium, the lowest in Wisconsin is Costco New Berlin in New Berlin at $4.359. The cheapest diesel is at Costco Menomonee Falls in Menomonee Falls at $4.629. 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 Wisconsin average price trend
Browse Wisconsin cities
All Wisconsin stations by price
| Station | Regular | Premium |
|---|---|---|
| Pleasant Prairie Pleasant Prairie | $3.499 | $4.499 |
| Menomonee Falls Menomonee Falls | $3.529 | $4.539 |
| Pewaukee Pewaukee | $3.529 | $4.539 |
| New Berlin New Berlin | $3.579 | $4.359 |
| Eau Claire Eau Claire | $3.589 | $4.659 |
| Bellevue Bellevue | $3.639 | $4.549 |
| Middleton Middleton | $3.639 | $4.599 |
| Sun Prairie Sun Prairie | $3.639 | $4.799 |
| Verona Verona | $3.659 | $4.599 |
| Grand Chute Grand Chute | $3.699 | $4.559 |