Michigan home charging cost for the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)

At Michigan's residential electricity rate of 21.14¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $7.91 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 50.6% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) costs roughly $1,187 a year to charge at home in Michigan, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,216 a year.

Cost of a full charge

Covering the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s EPA-rated 354-mile range takes about 132.5 kWh, which costs about $28.02 at Michigan's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) in Michigan, ranked

This combination ranks 14,915 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch All-Season Tires) alone ranks 205 of 400 models for efficiency; Michigan alone ranks 38 of 51 states for electricity price.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) at home

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 Michigan 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. Curious how Michigan's 21.14¢/kWh compares? The guide to charging cost by state ranks every state side by side.