MPGe is the distance a car covers on 33.7 kWh, the energy in a gallon of gasoline. Across 2 EPA ratings of the 4 since 2025 it has averaged 92.5 MPGe, and the 2026 model trails the 99.7 MPGe average of other electric cars rated 2024–2026. The EPA's own annual figure for it is $825.
Every Polestar 4 version, compared
The Polestar 4 was rated in a single specification, so its consumption does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $0.17 a kilowatt-hour.
| Version | Combined MPGe | City / Highway | Years | Charging per year |
|---|---|---|---|---|
| Electric | 96.5 / 88.5 | 2025–2026 | $743 |
What that actually costs
| Measure | Value |
|---|---|
| Energy use (2026) | 35.5 kWh per 100 miles |
| Cost per mile | $0.060 |
| Charging per year | $724 |
| Charging over five years | $3,620 |
| Against other Electric cars, 2024–2026 | +$34 a year |
| EPA's own estimate | $825 a year |
City or highway — who is this car for
The 2026 Polestar 4 does better in town than out of it: 100 in the city against 90 on the highway, $76 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 100 MPGe | $687 a year if you only drive in town |
| Highway | 90 MPGe | $763 a year if you mostly commute |
| Gap | -10 MPGe (-10%) | Reversed — it does better in town than on the open road |
How the 4 changed over the years
The 4 peaked in 2026 at 95 MPGe (100 city, 90 highway) and was at its thirstiest in 2025 at 90 — 5 MPGe apart, or $39 a year in charging between buying one year and the other. The 2026 model gains 5 MPGe against 90 for the 2025.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2026 | 100 / 90 | 1 | $724 | |
| 2025 | 93 / 87 | 1 | $763 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 2 EPA ratings of the Polestar 4 — 1 engine across 2025–2026. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $0.17 a kilowatt-hour, against EPA's own estimate of $825. Full method.
Frequently asked questions
What is the 2026 Polestar 4 rated at?
95 MPGe combined, 100 city and 90 highway, per EPA. Across every year since 2025 the 4 has averaged 92.5 MPGe.
Is the 2026 4 more efficient than the 2025?
Yes: 95 against 90 MPGe combined, about $39 a year less to run.
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