Charging a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) at home in Tennessee

A 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) draws 38.2 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.31 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 66.9% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

What a year of driving costs

Tennessee owners putting 15,000 annual miles on a 2026 BMW i7 eDrive50 Sedan (19 inch Wheels) spend about $796 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,607 saved annually, at this mileage.

Cost of a full charge

At Tennessee's rate, fully covering this 2026 BMW i7 eDrive50 Sedan (19 inch Wheels)'s 314-mile EPA range costs about $16.67 (119.9 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 (19 inch Wheels) in Tennessee ranks 6,007 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 eDrive50 Sedan (19 inch Wheels) ranks 220 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.