Polestar POLESTAR 2 - 2021
63.6 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Polestar POLESTAR 2, model year 2021.
Sample size: 4,404 cars, 9,029 tests and 5,743 recorded faults.
0%
Less faults compared to the average car of same model year
Less faults compared to the average car of same model year
Quick summary
Total: 4,404 cars
The 2021 Polestar 2 has an overall defect rate of 64 per 100 vehicles, which is 19% lower than the average for cars of the same year, suggesting it performs relatively well in terms of reliability. Mileage-related trends indicate that defects tend to increase with distance, particularly in the 31,000 to 62,000 mile range. Notable strengths of the Polestar 2 include exceptional performance in brakes, steering, and electrical systems, with significantly lower defect rates compared to the average. However, it does show slightly higher issues in body structure and equipment compared to its peers. Overall, the Polestar 2 stands out for its reliability in critical safety features while facing some challenges in body integrity.
Cars by mileage segment
Total: 4,404 cars
More model years for Polestar POLESTAR 2
Other models from Polestar
Categories
Brakes
▲ 63.5% better
14.6 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Excessive fluctuation in brake effort through each wheel revolution
- Excessive fluctuation in brake effort through each wheel revolution
- Brake lining or pad: worn below 1.5mm
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
Visibility
▲ 42.1% better
8.4 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 69.6% better
3.4 faults / 100 tests
Year avg: 11.2 / 100 tests
- An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
- The aim of a headlamp is not within limits laid down in the requirements
- Front or rear fog lamp switch:
- The aim of a headlamp is not within limits laid down in the requirements
- Headlamp cleaning device: inoperative in the case of LED or gas discharge systems (HID)
Wheels & Suspension
▼ 10.5% worse
96.5 faults / 100 tests
Year avg: 87.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▼ 14.3% worse
2.4 faults / 100 tests
Year avg: 2.1 / 100 tests
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- Bumper: insecure or with damage likely to cause injury when grazed or contacted
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A transmission shaft constant velocity joint boot: severely deteriorated
- A transmission: joint, belt or chain excessively worn
Equipment
▼ 26.7% worse
1.9 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Seat belt buckle missing, damaged or not functioning as intended
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
Other
▲ 96.3% better
0.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- Any part of the noise suppression system: insecure
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 2,181
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 732
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 550
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 476
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 407
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 336
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 179
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 105
Wiper blade: defective
MINOR
Occurrences: 96
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 77
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 476
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 336
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 105
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 77
An obligatory rear fog lamp missing, or a front or rear fog lamp inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 66
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 37
An SRS malfunction indicator lamp (MIL) indicates a system malfunction
FAIL
Occurrences: 32
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 24
Tyre pressure monitoring system malfunctioning or obviously not working
FAIL
Occurrences: 14
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 11