Updated April 29, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in South Dakota (2026)
$5.14/GAL
-0.45 vs US average ($5.59)Rank #16 of 50 statesPADD 2
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
South Dakota state diesel tax28.0c/gal
Total tax52.4c/gal
Tax as % of price1019%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
CALCULATE YOUR FUEL COST IN SOUTH DAKOTA
Use our trip calculator prefilled at $5.14/gal for South Dakota.
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.