Charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home in Maine

At Maine's residential electricity rate of 29.67¢/kWh, a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $11.11 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 30.7% cheaper per mile than gasoline in Maine — charging at home is cheaper than gas here.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): yearly cost in Maine

Maine owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) spend about $1,666 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $737 saved annually, at this mileage.

Cost of a full charge

At Maine's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s 354-mile EPA range costs about $39.32 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Maine, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Maine ranks 18,387 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (20 inch All-Season Tires) ranks 204 of 400 EV models for raw efficiency, and Maine ranks 48 of 51 for cheapest residential electricity.

Before you install a home charger in Maine

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 Maine electrician quotes for Level 2 install before you commit either way.

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.