Gas prices in Wisconsin today
Regular gas in Wisconsin averages $4.52 a gallon, 6% more than the U.S. average of $4.27. That makes Wisconsin in the middle: rank 41 of 51 (1 = cheapest).
| Grade | Wisconsin | U.S. average | 15-gallon fill-up |
|---|---|---|---|
| Regular | $4.52 | $4.27 | $68 |
| Mid-grade | $5.02 | $4.78 | $75 |
| Premium | $5.66 | $5.17 | $85 |
| Diesel | $6.27 | $6.35 | $94 |
Source: AAA, Wisconsin average gas prices and AAA State Gas Price Averages, as of Oct 24, 2026. Fill-up = price × 15 gallons (our calculation). For metro-area prices, see AAA's Wisconsin page.
Taxes in the price: 32.9¢ a gallon in Wisconsin state taxes and fees plus the 18.4¢ federal tax, 51.3¢ in all, about 11% of today's price (Tax Foundation, July 2026; our calculation). Gas tax in Wisconsin.
What driving costs in Wisconsin
At $4.52 a gallon, a car that gets 27.2 mpg (the EPA's average for new vehicles) spends about $166 on gas every 1,000 miles, or 16.6 cents a mile (our calculation). Charging an electric car at Wisconsin's average home electricity price costs about $60 for the same 1,000 miles. Gas is only one part of the bill: full-coverage car insurance in Wisconsin averages $1,500 a year.
Planning a drive? The road trip cost calculator uses today's gas price, and the true cost of owning a car puts fuel next to insurance, repairs and depreciation.
Common questions
What is the average gas price in Wisconsin today?
Regular gas in Wisconsin averaged $4.52 a gallon on Oct 24, 2026, per AAA. Mid-grade was $5.02, premium $5.66 and diesel $6.27.
Is gas in Wisconsin cheaper than the national average?
No. Wisconsin's $4.52 is 6% more than the U.S. average of $4.27, which ranks it 41 of 51 states and DC (1 = cheapest, our ranking of AAA data).
How much does it cost to fill up a car in Wisconsin?
About $68 for 15 gallons of regular at today's Wisconsin average (our calculation). Driving 1,000 miles in a car that gets 27.2 mpg costs about $166 in gas.
Is an electric car cheaper to run than gas in Wisconsin?
At Wisconsin's average home electricity price, charging an EV for 1,000 miles costs about $60, compared with about $166 in gas for a 27.2 mpg car (our calculation from EIA and AAA prices, 31 kWh per 100 miles from fueleconomy.gov).
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