2026 BMW i4 eDrive40 Gran Coupe (18"), MI Charging Cost

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

At Michigan's residential electricity rate of 21.14¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) (rated 28.5 kWh per 100 miles by the EPA) costs $6.03 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: 62.4% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) costs roughly $905 a year to charge at home in Michigan, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,498 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 $20.08 at Michigan'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 9,537 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; Michigan alone ranks 38 of 51 states for electricity price.

Before you install a home charger in Michigan

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 Michigan electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. At 21.14¢/kWh, Michigan sits in the middle of the national range, the guide to why charging cost varies by state shows where.