Charging a 2026 BMW iX M70 (21 inch Wheels) at home in South Dakota

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 BMW iX M70 (21 inch Wheels) (rated 42 kWh per 100 miles by the EPA) costs $6.02 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 62.4% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

South Dakota owners putting 15,000 annual miles on a 2026 BMW iX M70 (21 inch Wheels) spend about $902 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,500 saved annually, at this mileage.

What one full charge costs

At South Dakota's rate, fully covering this 2026 BMW iX M70 (21 inch Wheels)'s 303-mile EPA range costs about $18.23 (127.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 BMW iX M70 (21 inch Wheels) in South Dakota, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW iX M70 (21 inch Wheels) in South Dakota ranks 9,556 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 South Dakota ranks 14 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 South Dakota electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW iX M70 (21 inch Wheels)'s cost in South Dakota. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.