Citroen C4 - 2020
103.7 faults per 100 tests
Year average for all cars of 2020 is 91.3 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C4, model year 2020.
Sample size: 3,737 cars, 7,682 tests and 7,966 recorded faults.
0%
More faults compared to the average car of same model year
More faults compared to the average car of same model year
Quick summary
Total: 3,737 cars
The 2020 Citroën C4 shows a higher overall defect rate compared to the average car of the same year, with 104 defects per 100 vehicles against an average of 90. Key areas for concern include brakes, where the model has a defect rate of 68%, significantly higher than the average of 49%, and lights and electrics, which also exceed the average. However, the C4 performs notably better in steering defects, achieving a rate of just 1% compared to the average of 1.4%. The defect rates increase with mileage, particularly in the higher mileage brackets, suggesting potential long-term reliability issues.
Cars by mileage segment
Total: 3,737 cars
More model years for Citroen C4
Other models from Citroen
Categories
Brakes
▼ 34.3% worse
68.2 faults / 100 tests
Year avg: 50.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 40.0% better
0.9 faults / 100 tests
Year avg: 1.5 / 100 tests
- A steering ball joint: with excessive wear or free play
- Steering
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- A steering ball joint: worn to the extent there is a serious risk of detachment
Visibility
▼ 2.1% worse
14.4 faults / 100 tests
Year avg: 14.1 / 100 tests
- 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
- 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
Lights & Electrics
▼ 25.9% worse
14.1 faults / 100 tests
Year avg: 11.2 / 100 tests
- The aim of a headlamp is not within limits laid down in the requirements
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▲ 2.8% better
94.8 faults / 100 tests
Year avg: 97.5 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- 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
▼ 287.5% worse
9.3 faults / 100 tests
Year avg: 2.4 / 100 tests
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
- A passenger seat: with a defective structure or the backrest cannot be retained in the upright position
- A transmission shaft constant velocity joint boot: severely deteriorated
- Exhaust system has a major leak or is insecure
Equipment
▲ 6.7% better
1.4 faults / 100 tests
Year avg: 1.5 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt: or flexible stalk damaged
- Seat belt buckle missing, damaged or not functioning as intended
- A seat belt:
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▼ 13.5% worse
4.2 faults / 100 tests
Year avg: 3.7 / 100 tests
- 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
- 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
- Smoke opacity levels exceed the manufacturer’s specified limit
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: 1,615
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 1,117
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,020
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 835
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 350
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 257
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 251
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 166
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 158
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 125
Serious faults (Top 10)
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 166
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 158
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 125
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 92
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 91
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 81
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 53
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 43
A direction indicator: lamp missing, inoperative or in the case of a multiple light source more than 1/2 not functioning
FAIL
Occurrences: 31
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 30