Diesel Prices in Massachusetts Today
Average diesel price in Massachusetts: $6.390 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Massachusetts today?
Diesel in Massachusetts averages $6.390 per gallon today (September 22, 2026), $0.139 less than the U.S. average of $6.529. Massachusetts ranks #26 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.01 per mile on fuel in Massachusetts.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Massachusetts
Estimated diesel cost at today's Massachusetts price of $6.390 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 | $1.02 | $1,017 |
| Reefer38,000 lbs, ~6.0 mpg | $1.06 | $1,058 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.06 | $1,056 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.72 | $718 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.70 | $700 |
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 Massachusetts today?
Diesel in Massachusetts averages $6.390 per gallon today (September 22, 2026), $0.139 less than the U.S. average of $6.529. Massachusetts ranks #26 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.01 per mile on fuel in Massachusetts.
How much does it cost to fill a semi truck in Massachusetts?
At $6.39 a gallon, 150 gallons of diesel costs about $958 and 200 gallons about $1,278 in Massachusetts today.
Is diesel cheaper in Massachusetts than nearby states?
Among nearby states in the same region, the cheapest today is Rhode Island at $6.355 a gallon. Massachusetts is $6.390.
How often are Massachusetts 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 |
| New Hampshire | $6.406 |
| Vermont | $6.459 |
| Connecticut | $6.474 |
| Maine | $6.516 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Massachusetts?
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.