Charging a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) at home in Tennessee

A 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) draws 39.9 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.54 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.4% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

2026 BMW i7 eDrive50 Sedan (20 inch Wheels): yearly cost in Tennessee

Tennessee owners putting 15,000 annual miles on a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) spend about $831 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,572 saved annually, at this mileage.

What one full charge costs

At Tennessee's rate, fully covering this 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s 301-mile EPA range costs about $16.68 (120 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 eDrive50 Sedan (20 inch Wheels) in Tennessee ranks 7,219 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (20 inch Wheels) ranks 261 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.

Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i7 eDrive50 Sedan (20 inch Wheels)'s cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.