What it costs to charge a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) (rated 31.1 kWh per 100 miles by the EPA) costs $4.32 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 73% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels): yearly cost in Tennessee

Home charging this 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) in Tennessee runs about $648 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,755 saved annually, at this mileage.

Cost of a full charge

$13.27 — that's what Tennessee's 13.9¢/kWh rate puts on the 95.5 kWh a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) needs for its full 307-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) in Tennessee ranks 1,856 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (19 inch Wheels) ranks 77 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Tennessee 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. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.