Diesel Prices in Wisconsin Today
Average diesel price in Wisconsin: $6.619 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Wisconsin today?
Diesel in Wisconsin averages $6.619 per gallon today (September 22, 2026), $0.090 more than the U.S. average of $6.529. Wisconsin ranks #41 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.05 per mile on fuel in Wisconsin.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Wisconsin
Estimated diesel cost at today's Wisconsin price of $6.619 a gallon, using fuel economy calibrated to FHWA and NACFE data.
| Truck | Fuel per mile | Fuel per 1,000 miles |
|---|---|---|
| Dry Van38,000 lbs, ~6.3 mpg | $1.05 | $1,053 |
| Reefer38,000 lbs, ~6.0 mpg | $1.10 | $1,096 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.09 | $1,094 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.74 | $743 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.73 | $726 |
Your numbers depend on load weight, speed, terrain and idling. Enter them in the truck fuel cost calculator for an exact estimate.
Frequently asked questions
What is the price of diesel in Wisconsin today?
Diesel in Wisconsin averages $6.619 per gallon today (September 22, 2026), $0.090 more than the U.S. average of $6.529. Wisconsin ranks #41 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.05 per mile on fuel in Wisconsin.
How much does it cost to fill a semi truck in Wisconsin?
At $6.62 a gallon, 150 gallons of diesel costs about $993 and 200 gallons about $1,324 in Wisconsin today.
Is diesel cheaper in Wisconsin than nearby states?
Among nearby states in the same region, the cheapest today is Oklahoma at $6.029 a gallon. Wisconsin is $6.619.
How often are Wisconsin diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Oklahoma | $6.029 |
| Tennessee | $6.215 |
| Nebraska | $6.231 |
| North Dakota | $6.239 |
| Kansas | $6.249 |
| South Dakota | $6.277 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Wisconsin?
Texas Solutions dispatches semis for 5%, hotshots for 8% and box trucks for 10% of weekly gross. We plan lanes to cut empty miles and fuel.