Charging a 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires) at home in Tennessee

A 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires) draws 38.4 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.33 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 66.7% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Tennessee owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires) spend about $800 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,603 saved annually, at this mileage.

Filling up the 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires), in dollars

At Tennessee's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires)'s 344-mile EPA range costs about $18.35 (132 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 2027 BMW i7 xDrive60 Sedan (21 inch All-Season Tires) in Tennessee ranks 6,174 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch All-Season Tires) ranks 223 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. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.