2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires): home charging cost in Wyoming
A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) draws 36.8 kWh per 100 miles per the EPA; at Wyoming's 13.88¢/kWh residential rate that's $5.1 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 68.1% 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 Wyoming costs about $765/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,638 a year.
Filling up the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires), in dollars
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 $18.57 at 13.88¢/kWh in Wyoming.
2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) in Wyoming, ranked
This combination ranks 5,082 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; Wyoming alone ranks 12 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.
Line up a few Wyoming electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Wyoming's 13.88¢/kWh compares? The guide to charging cost by state ranks every state side by side.