What it costs to charge a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Maine

At Maine's residential electricity rate of 29.67¢/kWh, a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) (rated 33.4 kWh per 100 miles by the EPA) costs $9.91 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 38.1% cheaper per mile than gasoline in Maine — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Maine runs about $1,487 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $916 saved annually, at this mileage.

Cost of a full charge

$28.45 — that's what Maine's 29.67¢/kWh rate puts on the 95.9 kWh a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) needs for its full 287-mile EPA range.

2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Maine, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Maine ranks 17,331 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 xDrive40 Gran Coupe (18 inch Wheels) ranks 114 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.