What it costs to charge a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Wisconsin

A 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at Wisconsin's 18.99¢/kWh residential rate that's $7.11 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 55.6% 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 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Wisconsin runs about $1,066 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,336 saved annually, at this mileage.

Cost of a full charge

$25.17 — that's what Wisconsin's 18.99¢/kWh rate puts on the 132.5 kWh a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) needs for its full 354-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Wisconsin ranks 13,330 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (21 inch All-Season Tires) ranks 205 of 400 EV models for raw efficiency, and Wisconsin ranks 35 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 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.

Line up a few Wisconsin electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 18.99¢/kWh, Wisconsin sits in the middle of the national range — the guide to why charging cost varies by state shows where.