Charging a 2026 Polestar 4 Long Range Single Motor at home in Wyoming

A 2026 Polestar 4 Long Range Single Motor draws 35 kWh per 100 miles per the EPA; at Wyoming's 13.88¢/kWh residential rate that's $4.86 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 69.7% cheaper per mile than gasoline in Wyoming — charging at home costs a fraction of what gas would here.

What a year of driving costs

Wyoming owners putting 15,000 annual miles on a 2026 Polestar 4 Long Range Single Motor spend about $729 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,674 saved annually, at this mileage.

Cost of a full charge

At Wyoming's rate, fully covering this 2026 Polestar 4 Long Range Single Motor's 310-mile EPA range costs about $15.06 (108.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 4 Long Range Single Motor in Wyoming ranks 3,876 for cost savings versus gas — 1 being the best deal nationally. Separately, the Polestar 4 Long Range Single Motor ranks 148 of 400 EV models for raw efficiency, and Wyoming ranks 12 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.

Get quotes from local electricians for Level 2 charger installation in Wyoming before deciding.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Polestar 4 Long Range Single Motor's cost in Wyoming. At 13.88¢/kWh, Wyoming sits in the middle of the national range — the guide to why charging cost varies by state shows where.