Charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) at home in Massachusetts

In Massachusetts, home electricity runs 30.06¢/kWh — put a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s EPA-rated 40.8 kWh/100mi against that and 100 miles costs $12.25, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 23.5% cheaper per mile than gasoline in Massachusetts — charging at home is cheaper than gas here.

2026 BMW i7 xDrive60 Sedan (20 inch Wheels): yearly cost in Massachusetts

Massachusetts owners putting 15,000 annual miles on a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) spend about $1,838 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $565 saved annually, at this mileage.

Cost of a full charge

At Massachusetts's rate, fully covering this 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s 296-mile EPA range costs about $36.26 (120.6 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Massachusetts ranks 19,152 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch Wheels) ranks 276 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

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.