Montana · 13.5¢/kWh · $3.29/gal

EV vs Gas Cost in Montana

A Tesla Model 3 costs about $615 a year to charge in Montana vs $1,388 in gas for a Toyota Camry — $773 saved a year, $3,864 over 5 years (13,500 miles, 85% home charging). Change anything below.

Electric car

kWh/100 mi

Gas car

MPG
13,500 mi/yr
10,00030,000
Home 85% · Fast 15%
All public fast chargingAll home charging
$/kWh
$/kWh
$/gal
Purchase price & maintenance (for payback)
$
$
$

Price gap after any rebates. Upkeep = oil changes, brakes, tires, fluids — your own estimate. Enter 0 to compare fuel only.

Yearly fuel cost

EV charging$615

3,375 kWh · blended $0.182/kWh

Gasoline$1,388

422 gal of gas

You save with the EV

+$1,173per year

+$5,864over 5 years

Fuel +$773 · upkeep +$400 a year

Cost per mile

4.6¢/mi

EV

vs

10.3¢/mi

Gas

Break-even gas price: $1.46/gal

Payback period

5 yrs 1 mo

to earn back $6,000 extra

5-year net: -$136

5-year running cost: EV $6,075 vs gas $11,940 (fuel + upkeep). Estimates only — swap in your bill rate and local pump price.

How much does it cost to charge an electric car in Montana?

Montana has some of the cheaper home electricity in the country — 16% below the national average — which is the single biggest reason EVs are cheap to run here. Regular gas runs about $3.29 a gallon, 6% below the $3.50 reference price.

At Montana's average rate, adding 100 miles to a Model 3 costs about $3.38 at home, and a full 60 kWh charge costs about $8.10. Over a year of 13,500 miles with 85% home charging, the EV charging cost in Montana comes to about $615 — roughly $51 a month. The U.S. average for the same car is $687.

EV charging cost in Montana: home vs station

Home charging at $0.135 per kWh works out to 3.4¢ a mile in a Model 3. Public DC fast charging, often around $0.45 per kWh, is 11.3¢ a mile. If you could only fast charge, the yearly bill would be about $1,519, which is $131 more than gas. Ask your utility about EV or time-of-use plans; overnight rates are frequently well below the average shown here.

EV vs gas cost per mile in Montana

VehiclePer milePer year5 years
Tesla Model 34.6¢$615$3,075
Tesla Model Y5.1¢$689$3,445
Hyundai Ioniq 55.5¢$738$3,691
Ford F-150 Lightning8.7¢$1,181$5,905
Honda Civic9.4¢$1,269$6,345
Toyota Camry10.3¢$1,388$6,940
Honda CR-V11.8¢$1,586$7,931
Ford F-15016.4¢$2,221$11,104

EV rows use the blended 85% home / 15% fast-charging price of $0.182 per kWh. Fuel only — maintenance and purchase price are in the calculator.

Is an electric car worth it in Montana?

Montana ranks #7 of 50 for EV fuel savings in our default comparison — one of the best states to switch. For the Model 3 to cost the same to fuel as a Camry, gas in Montana would have to drop to about $1.46 a gallon. Add lower upkeep — no oil changes and less brake wear — and the yearly gap typically grows by a few hundred dollars. Whether the switch pays off depends mostly on the price difference you pay up front; enter it in the payback field above.

Nearby in the ranking: California ($847/yr), Utah ($810/yr), Arizona ($730/yr), Wyoming ($709/yr). Compare all 50 states.

Frequently asked questions

How much does it cost to charge a Tesla in Montana?

At about 13.5¢ per kWh, a Model 3 (25 kWh/100 mi) costs roughly 3.4¢ a mile at home and a Model Y (28 kWh/100 mi) about 3.8¢. A full 75 kWh charge is about $10.13 at home; Supercharger and other fast-charging prices are higher and vary by location and time.

Is it cheaper to drive electric than gas in Montana?

Yes. With mostly home charging, an efficient EV saves about $773 a year in fuel compared with a 32 MPG car at Montana's average prices.

What is the average electricity rate in Montana?

Our preset uses about 13.5¢ per kWh, a rounded residential average based on U.S. EIA state data. Your bill can differ by utility, season and plan — use the per-kWh total from your own bill for the best estimate.

How much is gas in Montana?

The preset uses about $3.29 per gallon of regular, a rounded statewide average. Pump prices change weekly, so type today's local price into the calculator.