How Much Does It Cost to Charge a Polestar 4 at Home? $19.03

Charging a 2026 Polestar 4 costs about $19.03 for a full charge and $6.75 per 100 miles at 17¢/kWh — about $810 a year at 12,000 miles.

Updated September 2026 · Source: EIA Electric Power Monthly Table 5.6.A (July 2026 data) · EPA fueleconomy.gov · next EIA update ~Oct 23

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Why this number

Charging a 2026 Polestar 4 costs about $19.03 for a full charge (~112 kWh) at the US average rate of 17¢/kWh — roughly $6.75 per 100 miles, or $810 a year at 12,000 miles. The 4 uses 39.7 kWh/100 mi on the EPA combined cycle. The 4’s real cost scales with your own rate, from about 12¢ to over 50¢ across the US.

The Polestar 4 (EPA data for the 2026 model year, the newest the EPA lists; dollar figures use 2026 electricity rates) uses 39.7 kWh per 100 miles on the EPA combined cycle — the wall-outlet figure, so charging losses are already counted (look up your exact trim at fueleconomy.gov ). At the US average residential rate of 17¢/kWh that puts the 4 at about $6.75 per 100 miles — 6.75¢ a mile. That lands mid-pack: 54th of the 67 current models tracked here. Nothing about the running cost of the 4 will surprise you in either direction, which for a SUV at 39.7 kWh/100 mi is a reasonable outcome.

What a 4 costs to charge at every rate

The same 4 costs $4.90 per 100 miles at Idaho’s 12.35¢ and $20.93 at Hawaii’s 52.72¢ — a 4.3× spread that is entirely the rate:

Wall-side for the 4: EPA’s 39.7 kWh/100 mi is measured at the outlet, charger losses included; quick-fill your state above for your own figure.

That per-mile figure is the one to hold against gasoline: at 17¢/kWh the 4’s 6.75¢ a mile compares with about 13.6¢ for a 30-mpg gas car at $4.07 a gallon (EIA weekly, Aug 31, 2026). The EV vs gas cost guide works the 4’s math in full — both formulas, and the electricity rate at which the advantage disappears.

Range: what a “full charge” of the 4 really means

EPA range across the lineup runs 255–310 miles, averaging 282. Multiplying that by the car’s efficiency gives roughly 112 kWh to refill a full range from empty, which is the honest way to think about a ‘full charge’ — battery capacity figures include a buffer you never actually use.

The 4 on a public fast charger

On a public fast charger at about 48¢/kWh the 4 costs $19.06 per 100 miles against $6.75 at home — 2.8× — or roughly $2,287 a year instead of $810 if it never sees a home outlet. Why a session costs more than the posted price for a 4 (10–80% charging curve, idle fees, per-minute billing) is explained once on the cost-to-charge hub ; the EV time-of-use calculator nets an overnight rate against the 4’s $810 flat-rate figure.

The 4 in cold weather

A hard winter lifts the 4 from 39.7 to roughly 51.6 kWh/100 mi (the middle of the 20–40% rise real-world data shows), so $8.77 per 100 miles instead of $6.75 and an effective range nearer 217 miles than 282. The mechanics behind the 4’s winter penalty — cabin heat, battery chemistry, preconditioning from the wall — are on the hub ; the 4’s $810 annual figure above already averages the seasons.

Where the 4 sits against other EVs

Its nearest neighbors on efficiency are the BMW iX (39.4 kWh/100 mi) and the Porsche Taycan (39.9 kWh/100 mi). The 4 at 39.7 kWh/100 mi sits against a set that runs from the Tesla Model Y at 26.9 kWh/100 mi, and the least efficient is the GMC Hummer EV at 67.8 — a spread that changes annual charging cost by $834 a year at 17¢/kWh and 12,000 miles. And if a SUV like the 4 is the fixed requirement, the cheapest SUV to run tracked here is the Tesla Model Y at $549 a year — $261 less than the 4.

Trims: does the 4 version you pick change the bill?

The EPA rates 3 configurations of the 2026 4, and they are not close: 35.0 kWh/100 mi for the most efficient, 44.0 for the least, a 26% spread. At 12,000 miles that is about $184 a year between the cheapest and most expensive version of the same 4. Bigger wheels, all-wheel drive and performance tunes are usually what separates them — worth knowing before you tick the options box.

How it compares inside the Polestar range

The 4 at 39.7 kWh/100 mi sits among 3 Polestar EVs tracked here, running from 33.2 (2) to 39.7 (4). Also on this site: Polestar 2 , Polestar 3 .

The tax question for the 4, answered plainly

Nothing about the 4 changes that: the rules are the same for every EV, and the full 2026 position — §30D, §25E, the ended §30C charger credit, state programs — is in the energy tax credit guide and on the cost-to-charge hub .

Related

Closest comparisons to the 4 on running cost and body style: BMW iX (39.4 kWh/100 mi), Porsche Taycan (39.9 kWh/100 mi), Kia EV9 (40.0 kWh/100 mi).

Put the 4’s $810 a year against a gas car in the EV vs gas calculator , check your state’s rate , or price a road-trip stop for a 4 in the Supercharger vs home calculator . All 67 EVs . The 4 is only one line on the household bill — the 40-appliance running-cost ranking shows where $810 a year of charging lands next to everyday loads like a refrigerator or a coffee maker .

Frequently asked questions

How we calculated this

Worked for the 4: 39.7 kWh/100 mi ÷ 100 × 17¢ = $6.75 per 100 miles; 282 mi × 39.7 ÷ 100 = 112 kWh, × $0.17 = $19.03 per full charge; $6.75 × 12,000 ÷ 100 = $810 a year. The 4’s gasoline comparison is 12,000 ÷ 30 mpg × $4.07 = $1,628. EPA combined ratings, measured at the wall.

Sources: U.S. Energy Information Administration (EIA) electricity rates · DSIRE incentive records · public IRS/OBBBA guidance. Figures are modeled estimates, not quotes or tax advice. See our methodology.

Where to go next

• Cost to charge a Porsche Taycan — 39.9 kWh/100 mi against the 4’s 39.7 — $6.78 vs $6.75 per 100 miles at 17¢.
• Cost to charge a Kia EV9 — 40.0 kWh/100 mi against the 4’s 39.7 — $6.80 vs $6.75 per 100 miles at 17¢.
• Cost to charge a BMW iX — 39.4 kWh/100 mi against the 4’s 39.7 — $6.70 vs $6.75 per 100 miles at 17¢.
• Cost to charge an EV: all 67 models ranked — Where the 4’s $810 a year sits among 67 EVs, plus the fast-charging, cold-weather and tax explainers.
• EV vs gas cost calculator — The 4’s 39.7 kWh/100 mi against your gas car’s mpg and your local pump price.