What it costs to charge a 2026 BMW iX M70 (21 inch Wheels) in Tennessee

A 2026 BMW iX M70 (21 inch Wheels) draws 42 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 63.6% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW iX M70 (21 inch Wheels) in Tennessee runs about $875 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,528 saved annually, at this mileage.

Cost of a full charge

$17.68 — that's what Tennessee's 13.9¢/kWh rate puts on the 127.2 kWh a 2026 BMW iX M70 (21 inch Wheels) needs for its full 303-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW iX M70 (21 inch Wheels) in Tennessee ranks 8,639 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW iX M70 (21 inch Wheels) ranks 302 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 BMW iX M70 (21 inch Wheels) at home

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

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.