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US diesel $4.157 per gallonWeek ending Sep 7, 2026 · EIA
SemiTrucks.orgCost per mile

States

Montana

What running a truck through Montana costs in fuel tax, what the state pays the people who drive them, and how many carriers actually call it home. Every figure is pulled from a public source and dated, and the per-mile numbers are worked at 6.0 mpg.

Fuel tax

$0.2975

Per gallon, 4Q2026. Rank 29 of 47.

Costs you

4.96c

Per mile at 6.0 mpg.

Median driver pay

$58,870

May 2025. Rank 25 of 51.

Active carriers

3,355

Interstate, based in Montana. Rank 43 of 51.

How Montana compares

The average diesel rate across the 47 states that publish one is $0.3681, so Montana sits below it by $0.0706 a gallon. Over 100,000 miles at 6.0 mpg that difference is $1,176. Nationally, 47% of active interstate carriers run one truck; here it is 40%.