Citroen C4 - 2015
213.2 faults per 100 tests
Year average for all cars of 2015 is 174.5 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C4, model year 2015.
Sample size: 28,757 cars, 68,887 tests and 146,850 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: 28,757 cars
The 2015 Citroen C4 has an overall defect rate of 213 per 100 vehicles, which is 25% higher than the average car of the same year, recorded at 170 per 100. Notably, the C4 shows increased defect rates as mileage increases, particularly in the 124,000+ miles segment, where it reaches 352 per 100. The model significantly underperforms in the categories of Lights & Electrics and Body/Structure, with defect rates of 57% and 33% respectively, compared to the average rates of 30% and 11%. While tyre wear is a common issue across many vehicles, the C4's specific weaknesses warrant attention for potential improvement.
Cars by mileage segment
Total: 28,757 cars
More model years for Citroen C4
Other models from Citroen
Categories
Brakes
▼ 14.8% worse
97.2 faults / 100 tests
Year avg: 84.7 / 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
▼ 2.0% worse
10.1 faults / 100 tests
Year avg: 9.9 / 100 tests
- 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
- Free play in the steering, measured at the rim of the steering wheel is: excessive
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
Visibility
▼ 8.1% worse
17.4 faults / 100 tests
Year avg: 16.1 / 100 tests
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
- 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
▼ 82.9% worse
56.7 faults / 100 tests
Year avg: 31.0 / 100 tests
- A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
- 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 rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▼ 6.8% worse
190.4 faults / 100 tests
Year avg: 178.3 / 100 tests
- Tyre tread depth not in accordance with the requirements
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- Tyre tread depth not in accordance with the requirements
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension pin, bush, joint or bearing: excessively worn
Body/Structure
▼ 178.6% worse
32.6 faults / 100 tests
Year avg: 11.7 / 100 tests
- Exhaust system has a major leak or is insecure
- A transmission shaft constant velocity joint boot: severely deteriorated
- 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: missing, split, insecure or no longer prevents the ingress of dirt
- Exhaust system has a major leak or is insecure
Equipment
▼ 2.5% worse
4.1 faults / 100 tests
Year avg: 4.0 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- Audible warning:
- Audible warning not in accordance with requirements
- ESC MIL indicates a system malfunction
Other
▼ 33.3% worse
17.6 faults / 100 tests
Year avg: 13.2 / 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
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
- Lambda coefficient outside the default limits or the range specified by the manufacturer
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: 23,831
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 12,832
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 12,692
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 7,993
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 7,194
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has 2 or more lamps or light sources
MINOR
Occurrences: 6,373
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 4,588
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 3,781
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 3,541
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 3,160
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 3,160
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 3,129
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 2,361
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 2,200
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 1,824
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,753
A steering ball joint: with excessive wear or free play
FAIL
Occurrences: 1,673
A rear registration plate lamp or light source missing or inoperative: when rear registration plate has only one lamp or all lamps not working
FAIL
Occurrences: 1,449
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 1,227
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 1,122