Charging a 2026 BMW i5 M60 xDrive Sedan (20 inch Wheels) at home in Montana

A 2026 BMW i5 M60 xDrive Sedan (20 inch Wheels) draws 35.8 kWh per 100 miles per the EPA; at Montana's 13.77¢/kWh residential rate that's $4.93 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 69.2% cheaper per mile than gasoline in Montana — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Montana owners putting 15,000 annual miles on a 2026 BMW i5 M60 xDrive Sedan (20 inch Wheels) spend about $740 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,663 saved annually, at this mileage.

What one full charge costs

At Montana's rate, fully covering this 2026 BMW i5 M60 xDrive Sedan (20 inch Wheels)'s 266-mile EPA range costs about $13.12 (95.3 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i5 M60 xDrive Sedan (20 inch Wheels) in Montana ranks 4,216 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i5 M60 xDrive Sedan (20 inch Wheels) ranks 165 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.

Line up a few Montana electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.