2026 Polestar 4 Long Range Dual Motor: home charging cost in District of Columbia

In District of Columbia, home electricity runs 24.54¢/kWh — put a 2026 Polestar 4 Long Range Dual Motor's EPA-rated 40 kWh/100mi against that and 100 miles costs $9.82, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 38.7% 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 4 Long Range Dual Motor charged at home in District of Columbia costs about $1,472/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $931 a year.

What one full charge costs

A 2026 Polestar 4 Long Range Dual Motor needs roughly 112 kWh to reach its EPA-rated 280-mile range, which runs about $27.48 at 24.54¢/kWh in District of Columbia.

2026 Polestar 4 Long Range Dual Motor in District of Columbia, ranked

This combination ranks 17,252 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; District of Columbia alone ranks 42 of 51 states for electricity price.

Next step: home charger installation

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.

Ask a licensed District of Columbia electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. District of Columbia's 24.54¢/kWh rate ranks 42 of 51 states; the state rate guide lays out the full spread.