Charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) at home in Massachusetts

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) (rated 38.3 kWh per 100 miles by the EPA) costs $11.51 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 28.2% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires): yearly cost in Massachusetts

Massachusetts owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) spend about $1,726 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $677 saved annually, at this mileage.

What one full charge costs

At Massachusetts's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s 348-mile EPA range costs about $40.05 (133.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Massachusetts, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Massachusetts ranks 18,663 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Summer Tires) ranks 221 of 400 EV models for raw efficiency, and Massachusetts ranks 49 of 51 for cheapest residential electricity.

Before you install a home charger in Massachusetts

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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.