Charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) at home in Wyoming
A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at Wyoming's 13.88¢/kWh residential rate that's $5.2 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 67.6% cheaper per mile than gasoline in Wyoming — charging at home costs a fraction of what gas would here.
What a year of driving costs
Wyoming owners putting 15,000 annual miles on a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) spend about $780 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,623 saved annually, at this mileage.
Cost of a full charge
At Wyoming's rate, fully covering this 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s 354-mile EPA range costs about $18.4 (132.5 kWh) — the energy the EPA test actually used, not the battery's rated size.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in Wyoming ranks 5,447 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 Wyoming ranks 12 of 51 for cheapest residential electricity.
Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season 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 Wyoming 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. Curious how Wyoming's 13.88¢/kWh compares? The guide to charging cost by state ranks every state side by side.