Wyoming home charging cost for the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) (rated 37.4 kWh per 100 miles by the EPA) costs $5.2 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 costs a fraction of what gas would here: 67.6% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) costs roughly $780 a year to charge at home in Wyoming, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,623 a year.

Filling up the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires), in dollars

Covering the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s EPA-rated 354-mile range takes about 132.5 kWh, which costs about $18.4 at Wyoming's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 5,448 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch All-Season Tires) alone ranks 205 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.

Next step: home charger installation

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.