Diesel Prices in Mississippi Today
Average diesel price in Mississippi: $6.058 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in Mississippi today?
Diesel in Mississippi averages $6.058 per gallon today (September 22, 2026), $0.471 less than the U.S. average of $6.529. Mississippi ranks #4 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $0.96 per mile on fuel in Mississippi.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in Mississippi
Estimated diesel cost at today's Mississippi price of $6.058 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 | $0.96 | $964 |
| Reefer38,000 lbs, ~6.0 mpg | $1.00 | $1,003 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.00 | $1,002 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.68 | $680 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.66 | $664 |
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 Mississippi today?
Diesel in Mississippi averages $6.058 per gallon today (September 22, 2026), $0.471 less than the U.S. average of $6.529. Mississippi ranks #4 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $0.96 per mile on fuel in Mississippi.
How much does it cost to fill a semi truck in Mississippi?
At $6.06 a gallon, 150 gallons of diesel costs about $909 and 200 gallons about $1,212 in Mississippi today.
Is diesel cheaper in Mississippi than nearby states?
Among nearby states in the same region, the cheapest today is Texas at $5.965 a gallon. Mississippi is $6.058.
How often are Mississippi diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| Texas | $5.965 |
| Louisiana | $6.027 |
| Alabama | $6.159 |
| Arkansas | $6.193 |
| New Mexico | $6.325 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through Mississippi?
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.