2026 Polestar 3 Long Range Single Motor (21 Inch Wheels): home charging cost in Arizona

At Arizona's residential electricity rate of 15.45¢/kWh, a 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) (rated 34.7 kWh per 100 miles by the EPA) costs $5.37 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. Charging at home costs a fraction of what gas would here: 66.5% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) charged at home in Arizona costs about $805/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,598 a year.

Filling up the 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels), in dollars

A 2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) needs roughly 101.1 kWh to reach its EPA-rated 291-mile range, which runs about $15.62 at 15.45¢/kWh in Arizona.

2026 Polestar 3 Long Range Single Motor (21 Inch Wheels) in Arizona, ranked

This combination ranks 6,270 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 3 Long Range Single Motor (21 Inch Wheels) alone ranks 143 of 400 models for efficiency; Arizona alone ranks 25 of 51 states for electricity price.

Before you install a home charger in Arizona

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Line up a few Arizona electrician quotes for Level 2 install before you commit either way.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Arizona's 15.45¢/kWh compares? The guide to charging cost by state ranks every state side by side.