2027 BMW i5 xDrive40 Sedan (20 inch Wheels): home charging cost in Wisconsin
At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) (rated 35 kWh per 100 miles by the EPA) costs $6.65 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: 58.5% 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 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) charged at home in Wisconsin costs about $997/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,405 a year.
What one full charge costs
A 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) needs roughly 95.6 kWh to reach its EPA-rated 273-mile range, which runs about $18.15 at 18.99¢/kWh in Wisconsin.
How this compares nationally
This combination ranks 12,029 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i5 xDrive40 Sedan (20 inch Wheels) alone ranks 149 of 400 models for efficiency; Wisconsin alone ranks 35 of 51 states for electricity price.
Getting set up to charge a 2027 BMW i5 xDrive40 Sedan (20 inch Wheels) at home
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 Wisconsin electrician to quote the install before this math becomes a real decision.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW i5 xDrive40 Sedan (20 inch Wheels)'s cost in Wisconsin. Curious how Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.