California home charging cost for the 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)
In California, home electricity runs 33.17¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s EPA-rated 36.5 kWh/100mi against that and 100 miles costs $12.11, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 24.4% 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 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires) costs roughly $1,816 a year to charge at home in California, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $587 a year.
Cost of a full charge
Covering the 2027 BMW i7 xDrive60 Sedan (20 inch Summer Tires)'s EPA-rated 362-mile range takes about 132.2 kWh, which costs about $43.83 at California's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 19,082 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (20 inch Summer Tires) alone ranks 177 of 400 models for efficiency; California alone ranks 50 of 51 states for electricity price.
Before you install a home charger in California
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.
Get quotes from local electricians for Level 2 charger installation in California before deciding.
Where these figures come from
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.