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

A 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) draws 40.8 kWh per 100 miles per the EPA; at California's 33.17¢/kWh residential rate that's $13.52 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 15.6% cheaper per mile than gasoline in California — charging at home is cheaper than gas here.

What a year of driving costs

California owners putting 15,000 annual miles on a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) spend about $2,028 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $375 saved annually, at this mileage.

Cost of a full charge

At California's rate, fully covering this 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s 296-mile EPA range costs about $40.01 (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 California ranks 19,708 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 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.

Ask a licensed California 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. 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.