Charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home in Michigan

At Michigan's residential electricity rate of 21.14¢/kWh, a 2027 BMW i7 xDrive50 Sedan (20 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. That works out to 50.6% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): yearly cost in Michigan

Michigan owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) spend about $1,187 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,216 saved annually, at this mileage.

Cost of a full charge

At Michigan's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s 354-mile EPA range costs about $28.02 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Michigan ranks 14,914 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive50 Sedan (20 inch All-Season Tires) ranks 204 of 400 EV models for raw efficiency, and Michigan ranks 38 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 Michigan electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s cost in Michigan. Michigan's 21.14¢/kWh rate ranks 38 of 51 states; the state rate guide lays out the full spread.