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

In Arizona, home electricity runs 15.45¢/kWh — put a 2026 Polestar 4 Long Range Single Motor's EPA-rated 35 kWh/100mi against that and 100 miles costs $5.41, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.2% cheaper per mile than gasoline in Arizona — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Arizona owners putting 15,000 annual miles on a 2026 Polestar 4 Long Range Single Motor spend about $811 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,592 saved annually, at this mileage.

Cost of a full charge

At Arizona's rate, fully covering this 2026 Polestar 4 Long Range Single Motor's 310-mile EPA range costs about $16.76 (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 Arizona ranks 6,511 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 Arizona ranks 25 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Polestar 4 Long Range Single Motor at home

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 Arizona 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. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.