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

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) (rated 37.5 kWh per 100 miles by the EPA) costs $5.22 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: 67.4% less than gas per mile, here specifically.

2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels): yearly cost in Tennessee

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) charged at home in Tennessee costs about $782/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,621 a year.

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

A 2026 Polestar 3 Long Range Dual Motor (21 Inch Wheels) needs roughly 117.1 kWh to reach its EPA-rated 312-mile range, which runs about $16.27 at 13.9¢/kWh in Tennessee.

How this compares nationally

This combination ranks 5,589 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Polestar 3 Long Range Dual Motor (21 Inch Wheels) alone ranks 206 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Before you install a home charger in Tennessee

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.