Massachusetts home charging cost for the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels)

At Massachusetts's residential electricity rate of 30.06¢/kWh, a 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) (rated 38.8 kWh per 100 miles by the EPA) costs $11.65 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. Charging at home is cheaper than gas here: 27.3% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels) costs roughly $1,748 a year to charge at home in Massachusetts, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $655 a year.

Cost of a full charge

Covering the 2026 BMW i7 xDrive60 Sedan (21 inch Wheels)'s EPA-rated 308-mile range takes about 119.4 kWh, which costs about $35.89 at Massachusetts's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 18,801 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (21 inch Wheels) alone ranks 232 of 400 models for efficiency; Massachusetts alone ranks 49 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Massachusetts electrician quotes for Level 2 install before you commit either way.

Where these figures come from

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.