Charging a 2026 BMW iX M70 (21 inch Wheels) at home in Washington

A 2026 BMW iX M70 (21 inch Wheels) draws 42 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $6.02 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.4% cheaper per mile than gasoline in Washington — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Washington owners putting 15,000 annual miles on a 2026 BMW iX M70 (21 inch Wheels) spend about $904 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,499 saved annually, at this mileage.

Cost of a full charge

At Washington's rate, fully covering this 2026 BMW iX M70 (21 inch Wheels)'s 303-mile EPA range costs about $18.26 (127.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 BMW iX M70 (21 inch Wheels) in Washington, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW iX M70 (21 inch Wheels) in Washington ranks 9,566 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW iX M70 (21 inch Wheels) ranks 302 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.

Before you install a home charger in Washington

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW iX M70 (21 inch Wheels)'s cost in Washington. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.