Charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) at home in Washington
At Washington's residential electricity rate of 14.35¢/kWh, a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) (rated 40.8 kWh per 100 miles by the EPA) costs $5.85 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 63.5% cheaper per mile than gasoline in Washington — charging at home is much cheaper than gas here.
2026 BMW i7 xDrive60 Sedan (20 inch Wheels): yearly cost in Washington
Washington owners putting 15,000 annual miles on a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) spend about $877 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,526 saved annually, at this mileage.
What one full charge costs
At Washington's rate, fully covering this 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s 296-mile EPA range costs about $17.31 (120.6 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 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Washington ranks 8,731 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 Washington ranks 15 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) 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.
Ask a licensed Washington 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. Curious how Washington's 14.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.