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Volkswagen ID4 - 2021

68.0 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 Volkswagen ID4, model year 2021. Sample size: 4,611 cars, 10,739 tests and 7,304 recorded faults.
0%
Less faults compared to the average car of same model year

Quick summary

Total: 4,611 cars

The 2021 Volkswagen ID4 has an overall defect rate of 68 per 100 vehicles, which is 14% lower than the average for cars of the same year. This model demonstrates particularly strong performance in categories such as brakes and steering, with defect rates significantly lower than the yearly average. However, it experiences a higher rate of defects in the wheels, suspensions, and axles category compared to the average. Mileage-related trends show that defects increase with mileage, but the ID4 maintains a lower defect rate across all mileage segments compared to the yearly averages. Overall, the ID4 stands out positively in safety-related categories while facing challenges in suspension-related issues.

Cars by mileage segment

Total: 4,611 cars

More model years for Volkswagen ID4

2021 2022 2023

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Categories

Brakes
▲ 90.0% better
4.0 faults / 100 tests
Year avg: 40.0 / 100 tests
  • Excessive fluctuation in brake effort through each wheel revolution
  • Brake disc or drum: significantly and obviously worn
  • Brake lining or pad: worn below 1.5mm
  • Brake disc or drum: insecure, fractured or otherwise likely to fail
  • Excessive fluctuation in brake effort through each wheel revolution
Steering
▲ 85.7% better
0.1 faults / 100 tests
Year avg: 0.7 / 100 tests
  • Track rod or drag link ends seriously misaligned
  • A steering ball joint: with excessive wear or free play
Visibility
▲ 46.2% better
7.8 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
Lights & Electrics
▲ 62.5% better
4.2 faults / 100 tests
Year avg: 11.2 / 100 tests
  • Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
  • Lamp: showing red light to the front, white light to the rear or has heavily reduced light intensity
  • The aim of a headlamp is not within limits laid down in the requirements
  • Lamp: emitted colour, position or intensity not in accordance with the requirements
  • A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
Wheels & Suspension
▼ 35.6% worse
118.4 faults / 100 tests
Year avg: 87.3 / 100 tests
  • 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
  • Tyre tread depth not in accordance with the requirements
  • 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
▲ 66.7% better
0.7 faults / 100 tests
Year avg: 2.1 / 100 tests
  • A transmission shaft constant velocity joint boot: severely deteriorated
  • A door hinge, catch or pillar: excessively deteriorated
  • A door will not open using the relevant control or close properly
  • A body panel or body component: damaged or corroded and likely to cause injury when grazed or contacted, or insecure
  • A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 60.0% better
0.6 faults / 100 tests
Year avg: 1.5 / 100 tests
  • An SRS malfunction indicator lamp (MIL) indicates a system malfunction
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • Seat belt buckle missing, damaged or not functioning as intended
  • A seat belt:
  • A seat belt:
Other
▲ 92.6% better
0.2 faults / 100 tests
Year avg: 2.7 / 100 tests
  • 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
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,479
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 857
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 505
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 379
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 272
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 260
A shock absorber damaged … or showing signs of severe leakage
ADVISORY
Occurrences: 242
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 175
Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
MINOR
Occurrences: 147
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 123

Serious faults (Top 10)

A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 505
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 379
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 175
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 52
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 50
A shock absorber damaged … or showing signs of severe leakage
FAIL
Occurrences: 45
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 32
Tyres on the same axle or on twin wheels are different sizes
FAIL
Occurrences: 22
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 20
Excessive fluctuation in brake effort through each wheel revolution
FAIL
Occurrences: 15