What it costs to charge a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) in Massachusetts

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) (rated 38.2 kWh per 100 miles by the EPA) costs $11.48 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 28.3% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) in Massachusetts runs about $1,722 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $681 saved annually, at this mileage.

Filling up the 2026 BMW i7 eDrive50 Sedan (19 inch Wheels), in dollars

$36.05 — that's what Massachusetts's 30.06¢/kWh rate puts on the 119.9 kWh a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) needs for its full 314-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) in Massachusetts ranks 18,650 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (19 inch Wheels) ranks 220 of 400 EV models for raw efficiency, and Massachusetts ranks 49 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.

Ask a licensed Massachusetts 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. Massachusetts 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.