2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): home charging cost in Minnesota
At Minnesota's residential electricity rate of 15.98¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) (rated 36.8 kWh per 100 miles by the EPA) costs $5.87 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: 63.3% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) charged at home in Minnesota costs about $881/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,522 a year.
Cost of a full charge
A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) needs roughly 133.8 kWh to reach its EPA-rated 364-mile range, which runs about $21.38 at 15.98¢/kWh in Minnesota.
How this compares nationally
This combination ranks 8,823 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch Summer Tires) alone ranks 184 of 400 models for efficiency; Minnesota alone ranks 26 of 51 states for electricity price.
Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (21 inch Summer 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.
Get quotes from local electricians for Level 2 charger installation in Minnesota before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 15.98¢/kWh, Minnesota sits in the middle of the national range — the guide to why charging cost varies by state shows where.