Diesel Prices in Maine Today
Average diesel price in Maine: $6.516 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Maine today?
Diesel in Maine averages $6.516 per gallon today (September 22, 2026), $0.013 less than the U.S. average of $6.529. Maine ranks #37 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in Maine.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Maine
Estimated diesel cost at today's Maine price of $6.516 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 | $1.04 | $1,037 |
| Reefer38,000 lbs, ~6.0 mpg | $1.08 | $1,079 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.08 | $1,077 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.73 | $732 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.71 | $714 |
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 Maine today?
Diesel in Maine averages $6.516 per gallon today (September 22, 2026), $0.013 less than the U.S. average of $6.529. Maine ranks #37 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in Maine.
How much does it cost to fill a semi truck in Maine?
At $6.52 a gallon, 150 gallons of diesel costs about $977 and 200 gallons about $1,303 in Maine today.
Is diesel cheaper in Maine than nearby states?
Among nearby states in the same region, the cheapest today is Rhode Island at $6.355 a gallon. Maine is $6.516.
How often are Maine diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Rhode Island | $6.355 |
| Massachusetts | $6.390 |
| New Hampshire | $6.406 |
| Vermont | $6.459 |
| Connecticut | $6.474 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Maine?
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.