Illinois home charging cost for the 2026 Polestar 4 Long Range Dual Motor

At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Polestar 4 Long Range Dual Motor (rated 40 kWh per 100 miles by the EPA) costs $7.69 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 is much cheaper than gas here: 52% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Polestar 4 Long Range Dual Motor costs roughly $1,153 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,250 a year.

Cost of a full charge

Covering the 2026 Polestar 4 Long Range Dual Motor's EPA-rated 280-mile range takes about 112 kWh, which costs about $21.53 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 14,547 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 4 Long Range Dual Motor alone ranks 270 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

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

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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.