What it costs to charge a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in Arkansas
At Arkansas's residential electricity rate of 13.43¢/kWh, a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) (rated 42.5 kWh per 100 miles by the EPA) costs $5.7 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 64.4% cheaper per mile than gasoline in Arkansas — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Home charging this 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) in Arkansas runs about $855 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,548 saved annually, at this mileage.
Cost of a full charge
$16.25 — that's what Arkansas's 13.43¢/kWh rate puts on the 121 kWh a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) needs for its full 285-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 (21 inch Wheels) in Arkansas ranks 7,978 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 M70 xDrive Sedan (21 inch Wheels) ranks 310 of 400 EV models for raw efficiency, and Arkansas ranks 6 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.
Line up a few Arkansas electrician quotes for Level 2 install before you commit either way.
More on how this number was built
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.43¢/kWh, Arkansas sits in the middle of the national range — the guide to why charging cost varies by state shows where.