Diesel Prices in Maryland Today
Average diesel price in Maryland: $6.494 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Maryland today?
Diesel in Maryland averages $6.494 per gallon today (September 22, 2026), $0.035 less than the U.S. average of $6.529. Maryland ranks #34 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in Maryland.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Maryland
Estimated diesel cost at today's Maryland price of $6.494 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 | $1.03 | $1,033 |
| Reefer38,000 lbs, ~6.0 mpg | $1.08 | $1,076 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.07 | $1,074 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.73 | $729 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.71 | $712 |
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 Maryland today?
Diesel in Maryland averages $6.494 per gallon today (September 22, 2026), $0.035 less than the U.S. average of $6.529. Maryland ranks #34 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $1.03 per mile on fuel in Maryland.
How much does it cost to fill a semi truck in Maryland?
At $6.49 a gallon, 150 gallons of diesel costs about $974 and 200 gallons about $1,299 in Maryland today.
Is diesel cheaper in Maryland than nearby states?
Among nearby states in the same region, the cheapest today is Delaware at $6.427 a gallon. Maryland is $6.494.
How often are Maryland diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Delaware | $6.427 |
| New Jersey | $6.465 |
| New York | $6.504 |
| District of Columbia | $6.506 |
| Pennsylvania | $6.610 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Maryland?
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.