What it costs to charge a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Washington

A 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) draws 33.4 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $4.79 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 70.1% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.

2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels): yearly cost in Washington

Home charging this 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Washington runs about $719 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,684 saved annually, at this mileage.

Cost of a full charge

$13.76 — that's what Washington's 14.35¢/kWh rate puts on the 95.9 kWh a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) needs for its full 287-mile EPA range.

2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Washington, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 xDrive40 Gran Coupe (18 inch Wheels) in Washington ranks 3,594 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 xDrive40 Gran Coupe (18 inch Wheels) ranks 114 of 400 EV models for raw efficiency, and Washington ranks 15 of 51 for cheapest residential electricity.

Next step: home charger installation

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. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.