2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): home charging cost in Wisconsin

A 2027 BMW i7 xDrive50 Sedan (20 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. Charging at home is much cheaper than gas here: 55.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) charged at home in Wisconsin costs about $1,066/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,336 a year.

Cost of a full charge

A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) needs roughly 132.5 kWh to reach its EPA-rated 354-mile range, which runs about $25.17 at 18.99¢/kWh in Wisconsin.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Wisconsin, ranked

This combination ranks 13,329 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (20 inch All-Season Tires) alone ranks 204 of 400 models for efficiency; Wisconsin alone ranks 35 of 51 states for electricity price.

Before you install a home charger in Wisconsin

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Ask a licensed Wisconsin electrician to quote the install before this math becomes a real decision.

Where these figures come from

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.