2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels): home charging cost in District of Columbia

At District of Columbia's residential electricity rate of 24.54¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) (rated 31.1 kWh per 100 miles by the EPA) costs $7.63 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: 52.4% less than gas per mile, here specifically.

2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels): yearly cost in District of Columbia

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) charged at home in District of Columbia costs about $1,145/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,258 a year.

What one full charge costs

A 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) needs roughly 95.5 kWh to reach its EPA-rated 307-mile range, which runs about $23.43 at 24.54¢/kWh in District of Columbia.

2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) in District of Columbia, ranked

This combination ranks 14,410 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; District of Columbia alone ranks 42 of 51 states for electricity price.

Getting set up to charge a 2026 BMW i4 eDrive40 Gran Coupe (19 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.

Line up a few District of Columbia 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. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.