What it costs to charge a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Wisconsin

In Wisconsin, home electricity runs 18.99¢/kWh — put a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels)'s EPA-rated 45.1 kWh/100mi against that and 100 miles costs $8.56, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 46.6% cheaper per mile than gasoline in Wisconsin — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Wisconsin runs about $1,283 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,119 saved annually, at this mileage.

Filling up the 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels), in dollars

$22.85 — that's what Wisconsin's 18.99¢/kWh rate puts on the 120.3 kWh a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) needs for its full 267-mile EPA range.

2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Wisconsin, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Wisconsin ranks 15,859 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 M70 xDrive Sedan (20 inch Wheels) ranks 360 of 400 EV models for raw efficiency, and Wisconsin ranks 35 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.

Get quotes from local electricians for Level 2 charger installation in Wisconsin before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.