Charging a 2026 BMW iX xDrive45 (20 inch Wheels) at home in South Dakota

A 2026 BMW iX xDrive45 (20 inch Wheels) draws 36 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $5.16 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 67.8% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

South Dakota owners putting 15,000 annual miles on a 2026 BMW iX xDrive45 (20 inch Wheels) spend about $774 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,629 saved annually, at this mileage.

Filling up the 2026 BMW iX xDrive45 (20 inch Wheels), in dollars

At South Dakota's rate, fully covering this 2026 BMW iX xDrive45 (20 inch Wheels)'s 312-mile EPA range costs about $16.09 (112.3 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW iX xDrive45 (20 inch Wheels) in South Dakota ranks 5,277 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW iX xDrive45 (20 inch Wheels) ranks 168 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.