What it costs to charge a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Mississippi

A 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) draws 45.1 kWh per 100 miles per the EPA; at Mississippi's 15.35¢/kWh residential rate that's $6.92 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 56.8% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Mississippi runs about $1,037 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,366 saved annually, at this mileage.

What one full charge costs

$18.47 — that's what Mississippi's 15.35¢/kWh rate puts on the 120.3 kWh a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) needs for its full 267-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i7 M70 xDrive Sedan (20 inch Wheels) in Mississippi ranks 12,869 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 M70 xDrive Sedan (20 inch Wheels) ranks 360 of 400 EV models for raw efficiency, and Mississippi ranks 22 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.

Get quotes from local electricians for Level 2 charger installation in Mississippi before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 15.35¢/kWh, Mississippi sits in the middle of the national range — the guide to why charging cost varies by state shows where.