Charging a 2027 BMW i5 xDrive40 Sedan (19 inch Wheels) at home in South Dakota

A 2027 BMW i5 xDrive40 Sedan (19 inch Wheels) draws 33.8 kWh per 100 miles per the EPA; at South Dakota's 14.33¢/kWh residential rate that's $4.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 69.8% 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 2027 BMW i5 xDrive40 Sedan (19 inch Wheels) spend about $726 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,677 saved annually, at this mileage.

What one full charge costs

At South Dakota's rate, fully covering this 2027 BMW i5 xDrive40 Sedan (19 inch Wheels)'s 283-mile EPA range costs about $13.7 (95.6 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 2027 BMW i5 xDrive40 Sedan (19 inch Wheels) in South Dakota ranks 3,796 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i5 xDrive40 Sedan (19 inch Wheels) ranks 119 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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 14.33¢/kWh, South Dakota sits in the middle of the national range — the guide to why charging cost varies by state shows where.