Charging a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) at home in Maine
At Maine's residential electricity rate of 29.67¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) (rated 31.1 kWh per 100 miles by the EPA) costs $9.23 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 42.4% cheaper per mile than gasoline in Maine — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Maine owners putting 15,000 annual miles on a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) spend about $1,384 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,019 saved annually, at this mileage.
Filling up the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels), in dollars
At Maine's rate, fully covering this 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s 307-mile EPA range costs about $28.32 (95.5 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 i4 eDrive40 Gran Coupe (19 inch Wheels) in Maine ranks 16,649 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (19 inch Wheels) ranks 77 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 i4 eDrive40 Gran Coupe (19 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
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.