Diesel Prices in Indiana Today
Average diesel price in Indiana: $6.575 per gallon on October 20, 2026. EIA U.S. weekly average $6.276. Current
What is the price of diesel in Indiana today?
Diesel in Indiana averages $6.575 per gallon (AAA daily state average, October 20, 2026), $0.299 more than the U.S. average of $6.276. Indiana ranks #44 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.04 per mile on fuel in Indiana.
per gallon, October 20, 2026
U.S. average $6.276
of 51 (1 = cheapest)
semi truck, today price
Fuel cost per mile in Indiana
Estimated diesel cost at the today Indiana price of $6.575 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 | $1,046 |
| Reefer38,000 lbs, ~6.0 mpg | $1.09 | $1,089 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.09 | $1,087 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.74 | $738 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.72 | $721 |
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 Indiana today?
Diesel in Indiana averages $6.575 per gallon (AAA daily state average, October 20, 2026), $0.299 more than the U.S. average of $6.276. Indiana ranks #44 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.04 per mile on fuel in Indiana.
How much does it cost to fill a semi truck in Indiana?
At $6.58 a gallon, 150 gallons of diesel costs about $986 and 200 gallons about $1,315 in Indiana at the today average.
Is diesel cheaper in Indiana than nearby states?
Among nearby states in the same region, the cheapest today is Oklahoma at $5.935 a gallon. Indiana is $6.575.
How often are Indiana diesel prices updated?
The page checks for new prices twice a day. AAA publishes daily state averages; the EIA weekly regional average is shown only if a state has no daily value. If a source stops updating, the last value stays with its real date and a stale label.
| Oklahoma | $5.935 |
| Tennessee | $5.981 |
| Missouri | $6.024 |
| North Dakota | $6.065 |
| South Dakota | $6.077 |
| Kansas | $6.080 |
Source: AAA daily state average, October 20, 2026. All 50 states
Running freight through Indiana?
Texas Solutions dispatches semis for 5%, hotshots for 7% and box trucks for 8% of weekly gross. We plan lanes to cut empty miles and fuel.
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