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

In Maryland, home electricity runs 21.27¢/kWh — put a 2026 Polestar 4 Long Range Single Motor's EPA-rated 35 kWh/100mi against that and 100 miles costs $7.44, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 53.5% cheaper per mile than gasoline in Maryland — charging at home is much cheaper than gas here.

What a year of driving costs

Maryland owners putting 15,000 annual miles on a 2026 Polestar 4 Long Range Single Motor spend about $1,117 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,286 saved annually, at this mileage.

Cost of a full charge

At Maryland's rate, fully covering this 2026 Polestar 4 Long Range Single Motor's 310-mile EPA range costs about $23.08 (108.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Polestar 4 Long Range Single Motor in Maryland ranks 14,102 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 Maryland ranks 39 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Maryland electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Polestar 4 Long Range Single Motor's cost in Maryland. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.