Wyoming home charging cost for the 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)

At Wyoming's residential electricity rate of 13.88¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) (rated 28.5 kWh per 100 miles by the EPA) costs $3.96 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: 75.3% less than gas per mile, here specifically.

2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels): yearly cost in Wyoming

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) costs roughly $594 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 $1,809 a year.

What one full charge costs

Covering the 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)'s EPA-rated 333-mile range takes about 95 kWh, which costs about $13.19 at Wyoming's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 855 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 eDrive40 Gran Coupe (18 inch wheels) alone ranks 31 of 400 models for efficiency; Wyoming alone ranks 12 of 51 states for electricity price.

Before you install a home charger in Wyoming

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. At 13.88¢/kWh, Wyoming sits in the middle of the national range — the guide to why charging cost varies by state shows where.