What it costs to charge a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Tennessee

A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) draws 38.3 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.32 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 66.8% 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

Home charging this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Tennessee runs about $798 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,605 saved annually, at this mileage.

What one full charge costs

$18.52 — that's what Tennessee's 13.9¢/kWh rate puts on the 133.2 kWh a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) needs for its full 348-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Tennessee ranks 6,087 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Summer Tires) ranks 221 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

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. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.