2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels): home charging cost in Wyoming

A 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) draws 36 kWh per 100 miles per the EPA; at Wyoming's 13.88¢/kWh residential rate that's $4.99 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: 68.8% 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 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) charged at home in Wyoming costs about $749/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,654 a year.

Filling up the 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels), in dollars

A 2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) needs roughly 96.4 kWh to reach its EPA-rated 268-mile range, which runs about $13.39 at 13.88¢/kWh in Wyoming.

2026 BMW i4 xDrive40 Gran Coupe (19 inch Wheels) in Wyoming, ranked

This combination ranks 4,563 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 xDrive40 Gran Coupe (19 inch Wheels) alone ranks 167 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.

Ask a licensed Wyoming electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Wyoming's 13.88¢/kWh rate ranks 12 of 51 states; the state rate guide lays out the full spread.