Charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) at home in Maine

At Maine's residential electricity rate of 29.67¢/kWh, a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) (rated 40.8 kWh per 100 miles by the EPA) costs $12.09 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 24.5% cheaper per mile than gasoline in Maine — charging at home is cheaper than gas here.

What a year of driving costs

Maine owners putting 15,000 annual miles on a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) spend about $1,814 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $589 saved annually, at this mileage.

What one full charge costs

At Maine's rate, fully covering this 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s 296-mile EPA range costs about $35.79 (120.6 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Maine, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Maine ranks 19,078 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch Wheels) ranks 276 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) at home

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 Maine 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. Maine has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.