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Compared to the national average of $3.45, gas in Montana is $1.11 more expensive.
Don't forget to calculate your tax burden. Check out our comprehensive sales tax calculator for Montana.
Calculate Montana Sales TaxRegular gas in Montana is $4.56 per gallon, which is $1.11 above the national average.
We show statewide average regular and premium prices from our US fuel dataset and compare the regular price against a fixed national benchmark.
Gas prices in Montana are currently stable due to localized supply chain factors and national crude oil market movements.
Each state, including Montana, has its own fuel excise tax which is included in the price you see at the pump.
Typically, larger cities with more competition have lower prices, while remote areas in Montana may charge more due to transportation costs.