What it costs to charge a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Tennessee
In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels)'s EPA-rated 40.8 kWh/100mi against that and 100 miles costs $5.66, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 64.6% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.
2026 BMW i7 xDrive60 Sedan (20 inch Wheels): yearly cost in Tennessee
Home charging this 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Tennessee runs about $850 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,553 saved annually, at this mileage.
Filling up the 2026 BMW i7 xDrive60 Sedan (20 inch Wheels), in dollars
$16.77 — that's what Tennessee's 13.9¢/kWh rate puts on the 120.6 kWh a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) needs for its full 296-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) in Tennessee ranks 7,844 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch Wheels) ranks 276 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. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.