Charging a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) at home in Montana

At Montana's residential electricity rate of 13.77¢/kWh, a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) (rated 30.8 kWh per 100 miles by the EPA) costs $4.25 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 73.5% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels): yearly cost in Montana

Montana owners putting 15,000 annual miles on a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) spend about $637 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,766 saved annually, at this mileage.

Cost of a full charge

At Montana's rate, fully covering this 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels)'s 251-mile EPA range costs about $10.66 (77.4 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) in Montana, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) in Montana ranks 1,576 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive35 Gran Coupe (19 inch Wheels) ranks 72 of 400 EV models for raw efficiency, and Montana ranks 10 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed Montana electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Montana's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.