Diesel Prices in South Carolina Today
Average diesel price in South Carolina: $6.124 per gallon on September 22, 2026. U.S. average $6.529. Updated daily.
What is the price of diesel in South Carolina today?
Diesel in South Carolina averages $6.124 per gallon today (September 22, 2026), $0.405 less than the U.S. average of $6.529. South Carolina ranks #5 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $0.97 per mile on fuel in South Carolina.
per gallon today
U.S. average $6.529
of 51 (1 = cheapest)
semi truck, today
Fuel cost per mile in South Carolina
Estimated diesel cost at today's South Carolina price of $6.124 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 | $0.97 | $974 |
| Reefer38,000 lbs, ~6.0 mpg | $1.01 | $1,014 |
| Flatbed40,000 lbs, ~6.0 mpg | $1.01 | $1,013 |
| Hotshot12,000 lbs, ~8.9 mpg | $0.69 | $688 |
| Box Truck7,000 lbs, ~9.1 mpg | $0.67 | $671 |
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 South Carolina today?
Diesel in South Carolina averages $6.124 per gallon today (September 22, 2026), $0.405 less than the U.S. average of $6.529. South Carolina ranks #5 of 51 for cheapest diesel (1 = cheapest). A loaded semi at about 6.3 mpg spends about $0.97 per mile on fuel in South Carolina.
How much does it cost to fill a semi truck in South Carolina?
At $6.12 a gallon, 150 gallons of diesel costs about $919 and 200 gallons about $1,225 in South Carolina today.
Is diesel cheaper in South Carolina than nearby states?
Among nearby states in the same region, the cheapest today is North Carolina at $6.234 a gallon. South Carolina is $6.124.
How often are South Carolina diesel prices updated?
Every day. This page refreshes each morning from daily state averages, with the EIA weekly survey as a backup.
| North Carolina | $6.234 |
| Florida | $6.258 |
| Georgia | $6.344 |
| Virginia | $6.388 |
| West Virginia | $6.457 |
Source: AAA daily state average, September 22, 2026. All 50 states
Running freight through South Carolina?
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.