Citroen C3 - 2021
76.2 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 Citroen C3, model year 2021.
Sample size: 12,806 cars, 26,189 tests and 19,955 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: 12,806 cars
The 2021 Citroën C3 has an overall defect rate of 76 defects per 100 vehicles, slightly lower than the average of 79 defects for cars of the same year. While tyre wear is a common issue across many models, this C3 shows notable strengths in steering and visibility, with significantly fewer defects than average in these areas. However, it struggles with brakes and body/structure issues, reporting higher defect rates than the average. Mileage-related trends indicate that defects increase with higher mileage, particularly in the 93,000–124,000 miles range, which has the highest rate for this model.
Cars by mileage segment
Total: 12,806 cars
Categories
Brakes
▼ 67.8% worse
67.1 faults / 100 tests
Year avg: 40.0 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
- Brake disc or drum: significantly and obviously worn
- Brake disc or drum: significantly and obviously worn
Steering
▲ 100.0% better
0.0 faults / 100 tests
Year avg: 0.7 / 100 tests
- On ‘fly by wire systems’, the angle of the steering wheel and the angle of the road wheels is: inconsistent
- Excessive movement of centre of steering wheel up or down
- A steering ball joint: with excessive wear or free play
- Steering
Visibility
▲ 70.3% better
4.3 faults / 100 tests
Year avg: 14.5 / 100 tests
- Windscreen or window damaged or seriously discoloured: but not adversely affecting driver’s view
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 25.0% better
8.4 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A lens defective: which has no effect on emitted light
- The aim of a headlamp is not within limits laid down in the requirements
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
Wheels & Suspension
▲ 24.7% better
65.7 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 suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
Body/Structure
▼ 90.5% worse
4.0 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
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
Equipment
▲ 53.3% better
0.7 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
- A seat belt:
- A seat belt: or flexible stalk damaged
- A seat belt: or flexible stalk damaged
Other
▲ 25.9% better
2.0 faults / 100 tests
Year avg: 2.7 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- 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
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed the manufacturer’s specified limits
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: 4,115
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 4,032
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 2,195
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,839
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,645
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 599
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 438
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 396
The aim of a headlamp is not within limits laid down in the requirements
PRS
Occurrences: 337
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 281
Serious faults (Top 10)
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 396
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 281
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 253
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 223
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 180
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 105
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 103
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 73
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 70
The aim of a headlamp is not within limits laid down in the requirements
FAIL
Occurrences: 68