Prices sourced from EIA Weekly On-Highway Diesel Survey. Updated weekly. For informational purposes only - confirm at the pump before fueling. Full disclaimer
DIESELCOST

Updated April 29, 2026 - EIA Weekly Survey

Diesel Cost per Gallon in Oklahoma (2026)

$4.85/GAL
-0.74 vs US average ($5.59)Rank #4 of 50 statesPADD 3

Diesel Tax Breakdown

Federal diesel excise tax24.4c/gal
Oklahoma state diesel tax19.0c/gal
Total tax43.4c/gal
Tax as % of price895%

Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.

Nearby States Comparison

Texas
$4.69-0.16
Kansas
$5.01+0.16
Missouri
$4.91+0.06
Arkansas
$4.87+0.02
CALCULATE YOUR FUEL COST IN OKLAHOMA

Use our trip calculator prefilled at $4.85/gal for Oklahoma.

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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.