2026 BMW i4 eDrive40 Gran Coupe (19"), WI Charging Cost
Wisconsin home charging cost for the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)
At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) (rated 31.1 kWh per 100 miles by the EPA) costs $5.91 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 is much cheaper than gas here: 63.1% less than gas per mile, here specifically.
2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels): yearly cost in Wisconsin
At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) costs roughly $886 a year to charge at home in Wisconsin, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,517 a year.
Cost of a full charge
Covering the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s EPA-rated 307-mile range takes about 95.5 kWh, which costs about $18.13 at Wisconsin'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 9,020 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 eDrive40 Gran Coupe (19 inch Wheels) alone ranks 77 of 400 models for efficiency; Wisconsin alone ranks 35 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 Wisconsin 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 Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.