Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in South Carolina (2026)
$4.98/GAL
-0.61 vs US average ($5.59)Rank #8 of 50 statesPADD 1
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
South Carolina state diesel tax28.0c/gal
Total tax52.4c/gal
Tax as % of price1052%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
North Carolina
$5.21+0.23
Georgia
$5.09+0.11
CALCULATE YOUR FUEL COST IN SOUTH CAROLINA
Use our trip calculator prefilled at $4.98/gal for South Carolina.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated April 29, 2026. State prices are representative averages; actual pump prices vary by retailer and location.