What it costs to charge a 2026 Polestar 4 Long Range Dual Motor in Rhode Island

In Rhode Island, home electricity runs 29.45¢/kWh — put a 2026 Polestar 4 Long Range Dual Motor's EPA-rated 40 kWh/100mi against that and 100 miles costs $11.78, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 26.5% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Polestar 4 Long Range Dual Motor in Rhode Island runs about $1,767 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $636 saved annually, at this mileage.

What one full charge costs

$32.98 — that's what Rhode Island's 29.45¢/kWh rate puts on the 112 kWh a 2026 Polestar 4 Long Range Dual Motor needs for its full 280-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 4 Long Range Dual Motor in Rhode Island ranks 18,888 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 Rhode Island ranks 47 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Polestar 4 Long Range Dual 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.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.