EV vs Gas Savings in Montana (2026)
Montana electricity averages 10.8¢/kWh and gas runs $3.38/gallon. Driving an EV 12,000 miles costs $370/year in fuel. A 30 MPG gas car costs $1352/year.
Annual savings
$982
per year
5-year savings
$4,910
fuel only
EV fuel/yr
$370
10.8¢/kWh
Gas fuel/yr
$1,352
$3.38/gal
Montana beats the national average
The national average EV fuel savings is $728/year. Montana comes in $254/year higher. Cheap electricity (10.8¢/kWh) plus high gas ($3.38/gal) is a strong combination.
Montana EV vs gas: the full cost breakdown
| EV | Gas car | |
|---|---|---|
| Fuel rate | 10.8¢/kWh | $3.38/gal |
| Efficiency | 3.5 mi/kWh | 30 MPG |
| Annual fuel cost (12,000 mi) | $370 | $1,352 |
| 5-year fuel cost | $1,850 | $6,760 |
| EV fuel savings | $982/yr · $4,910 over 5 years | |
12,000 mi/yr · 3.5 mi/kWh EV · 30 MPG gas car · 2026 EIA and GasBuddy data · home charging only
Electricity: 10.8¢/kWh
5.3¢ below the national average of 16.1¢/kWh. At this rate, charging a 75 kWh battery pack from empty costs $8.1.
Source: EIA 2026 residential rates
Gas: $3.38/gallon
$0.18 above the national average of $3.2/gal. Filling a 15-gallon tank costs $50.7 in Montana.
Source: GasBuddy 2026 state averages
More EV data for Montana