Charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home in Washington
In Washington, home electricity runs 14.35¢/kWh — put a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s EPA-rated 37.4 kWh/100mi against that and 100 miles costs $5.37, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.5% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.
Annual cost, at 15 thousands miles a year
Washington owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) spend about $806 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,597 saved annually, at this mileage.
What one full charge costs
At Washington's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s 354-mile EPA range costs about $19.02 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Washington ranks 6,355 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (20 inch All-Season Tires) ranks 204 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home
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.
Get quotes from local electricians for Level 2 charger installation in Washington before deciding.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.