What it costs to charge a 2026 Polestar 4 Long Range Dual Motor in South Dakota
At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Polestar 4 Long Range Dual Motor (rated 40 kWh per 100 miles by the EPA) costs $5.73 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 64.2% cheaper per mile than gasoline in South Dakota — charging at home is much cheaper than gas here.
2026 Polestar 4 Long Range Dual Motor: yearly cost in South Dakota
Home charging this 2026 Polestar 4 Long Range Dual Motor in South Dakota runs about $860 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,543 saved annually, at this mileage.
Filling up the 2026 Polestar 4 Long Range Dual Motor, in dollars
$16.05 — that's what South Dakota's 14.33¢/kWh rate puts on the 112 kWh a 2026 Polestar 4 Long Range Dual Motor needs for its full 280-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 4 Long Range Dual Motor in South Dakota ranks 8,171 for cost savings versus gas — 1 being the best deal nationally. Separately, the Polestar 4 Long Range Dual Motor ranks 270 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.
Before you install a home charger in South Dakota
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 Polestar 4 Long Range Dual Motor's cost in South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.