What it costs to fuel a 2026 Chevrolet Equinox in Montana
Short answer
Driving 1,000 miles a month at $3.96 a gallon for regular. That's 14.7¢ a mile and $1,762 a year.
Estimate: Rocky Mountain regional average, adjusted for Montana's fuel tax (1.9¢/gal higher than the region's average).
Change the version, miles or price
- Per year
- $1,762
- Per mile
- 14.7¢
- Over 5 years
- $8,811
Every 2026 Equinox version in Montana
| Version | Drive | EPA rating | Per month |
|---|---|---|---|
| Equinox FWD(used in headline figures) | FWD | 27 mpg | $147 |
| Equinox AWD | AWD | 26 mpg | $153 |
Equinox vs. Chevrolet Equinox EV in Montana
The Equinox EV costs about $1,213 a year less to run here.Counting Montana's EV fee of $130 or more, the saving is about $1,083 at most.
See the break-evenMontana's gas tax: 33.8¢ a gallon, plus 18.4¢ federal
Of the estimated $3.97 a gallon for regular in Montana, 52.2¢ is tax: 13% of the price. Counties and cities can add their own on top.
At 1,000 miles a month, the Equinox (27 mpg) pays about $19 a month in fuel tax, $232 a year. Montana's state gas tax is near the middle of the 50 states and DC.
Electric cars pay no gas tax, so Montana charges them an extra registration fee instead: $130 a year or more.
Fuel taxes: EIA, July 2026 (revised); county and city taxes not included. Pump price is an estimate: Rocky Mountain regional average, adjusted for Montana's fuel tax (1.9¢/gal higher than the region's average). EV fee: U.S. Department of Energy. Fees checked October 2026.
Rocky Mountain gas prices are down 49¢ in a month
EIA doesn't survey Montana on its own, so the price on this page moves with the Rocky Mountain average: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 more than a year ago. Over the past year it ranged from $2.40 (week of January 5, 2026) to $4.59 (week of May 18, 2026). At 1,000 miles a month, the Equinox costs about $18 a month less to fuel than four weeks ago.
Show every weekly figure
EIA weekly retail gasoline and diesel prices.
Montana is about average to fuel a Equinox
28th cheapest of the 50 states and DC, at 1,000 miles a month. See every state
- 1Texas$126
- 2New Mexico$127
- 3Louisiana$128
- 4Mississippi$129
- 5Arkansas$130
- 26Wyoming$143
- 27Idaho$147
- 28Montana$147
- 29Delaware$147
- 30New Hampshire$148
Questions people ask
How much does it cost to fuel a Chevrolet Equinox in Montana?
About $147 a month for 1,000 miles, or $1,762 a year, for the 2026 Equinox FWD (27 mpg) at $3.96 a gallon for regular. That works out to 14.7¢ a mile.
Which Equinox version is cheapest to fuel?
The Equinox FWD (27 mpg), at about $147 a month in Montana. The 2026 Equinox comes in 2 EPA-rated versions.
Where does the Montana gas price come from?
Estimate: Rocky Mountain regional average, adjusted for Montana's fuel tax (1.9¢/gal higher than the region's average). It updates every week when EIA publishes its survey.
How much of the gas price in Montana is tax?
52.2¢ a gallon: 33.8¢ Montana state tax and 18.4¢ federal tax. That is 13% of the estimated $3.97 a gallon for regular. Counties and cities can add their own on top.
Are gas prices going up in Montana?
EIA doesn't survey Montana on its own, so the price on this page moves with the Rocky Mountain average: $3.95 a gallon for regular in the week of November 9, 2026, 49¢ less than four weeks earlier and $1.04 more than a year ago. Source: EIA's weekly retail price survey.
Efficiency: U.S. EPA ratings for the 2026 model year. Gas prices: EIA weekly survey, week of November 9, 2026. Electricity: EIA average home rates, September 2025 to August 2026. Fuel taxes: EIA, July 2026 (revised). How we calculate