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

At California's residential electricity rate of 33.17¢/kWh, a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) (rated 38.3 kWh per 100 miles by the EPA) costs $12.7 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 20.7% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

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

California owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) spend about $1,905 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $498 saved annually, at this mileage.

Cost of a full charge

At California's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s 348-mile EPA range costs about $44.2 (133.2 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 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in California ranks 19,381 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 California ranks 50 of 51 for cheapest residential electricity.

Before you install a home charger in California

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.

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

More on how this number was built

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