Updated June 8, 2026 - EIA Weekly Survey
Diesel Cost per Gallon in Oregon (2026)
$5.63/GAL
+0.42 vs US average ($5.21)Rank #39 of 50 statesPADD 5
Diesel Tax Breakdown
Federal diesel excise tax24.4c/gal
Oregon state diesel tax38.0c/gal
Total tax62.4c/gal
Tax as % of price1108%
Sources: Federation of Tax Administrators, EIA. Rates as of April 2026.
Nearby States Comparison
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Use our trip calculator prefilled at $5.63/gal for Oregon.
Sources: EIA Weekly On-Highway Diesel Fuel Survey, AAA Gas Prices (gasprices.aaa.com), Federation of Tax Administrators diesel tax table. Updated June 8, 2026. State prices are representative averages; actual pump prices vary by retailer and location.