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.