What it costs to charge a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Wisconsin

At Wisconsin's residential electricity rate of 18.99¢/kWh, a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) (rated 31.9 kWh per 100 miles by the EPA) costs $6.05 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. That works out to 62.2% cheaper per mile than gasoline in Wisconsin — charging at home is much cheaper than gas here.

2027 BMW i5 eDrive40 Sedan (20 inch Wheels): yearly cost in Wisconsin

Home charging this 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Wisconsin runs about $908 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,495 saved annually, at this mileage.

Cost of a full charge

$18.1 — that's what Wisconsin's 18.99¢/kWh rate puts on the 95.3 kWh a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) needs for its full 299-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i5 eDrive40 Sedan (20 inch Wheels) in Wisconsin ranks 9,707 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i5 eDrive40 Sedan (20 inch Wheels) ranks 84 of 400 EV models for raw efficiency, and Wisconsin ranks 35 of 51 for cheapest residential electricity.

Before you install a home charger in Wisconsin

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Wisconsin's 18.99¢/kWh rate ranks 35 of 51 states; the state rate guide lays out the full spread.