Charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) at home in Michigan
A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) draws 38.3 kWh per 100 miles per the EPA; at Michigan's 21.14¢/kWh residential rate that's $8.09 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 49.5% cheaper per mile than gasoline in Michigan — charging at home is much cheaper than gas here.
What a year of driving costs
Michigan owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) spend about $1,214 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,189 saved annually, at this mileage.
What one full charge costs
At Michigan's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s 348-mile EPA range costs about $28.17 (133.2 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 xDrive60 Sedan (21 inch Summer Tires) in Michigan ranks 15,207 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Summer Tires) ranks 221 of 400 EV models for raw efficiency, and Michigan ranks 38 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 BMW i7 xDrive60 Sedan (21 inch Summer 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.
Ask a licensed Michigan electrician to quote the install before this math becomes a real decision.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Michigan's 21.14¢/kWh rate ranks 38 of 51 states; the state rate guide lays out the full spread.