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 July 28, 2026 - AAA daily average

Diesel Cost per Gallon in Utah (2026)

$5.27/GAL
+0.14 vs US average ($5.13)Rank #27 of 50 statesPADD 4

Diesel Tax Breakdown

Federal diesel excise tax24.4c/gal
Utah state diesel tax36.4c/gal
Total tax60.8c/gal
Tax as % of price12%

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

Nearby States Comparison

Idaho
$5.23-0.04
Wyoming
$5.05-0.22
Colorado
$5.17-0.10
Nevada
$5.69+0.42
CALCULATE YOUR FUEL COST IN UTAH

Use our trip calculator prefilled at $5.27/gal for Utah.

Open Trip Calculator ->
Sources: State diesel average from AAA Gas Prices (gasprices.aaa.com), July 28, 2026; US average and PADD context from the EIA Weekly On-Highway Diesel Fuel Survey (July 20, 2026); state tax from the Federation of Tax Administrators diesel tax table. State prices are representative averages; actual pump prices vary by retailer and location.