Citroen C4 - 2017
179.9 faults per 100 tests
Year average for all cars of 2017 is 137.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C4, model year 2017.
Sample size: 16,848 cars, 39,686 tests and 71,390 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: 16,848 cars
The 2017 Citroën C4 has a higher overall defect rate compared to the average car of the same year, with 180 defects per 100 vehicles, which is 34% above the average of 134 defects. Notably, the C4 shows significant issues in the categories of Lights & Electrics, Wheels, Suspensions & Axles, and Body/Structure, with defect rates far exceeding the average. Additionally, as mileage increases, the C4 experiences a rise in defect rates, particularly in the 124,000+ miles segment, where the rate reaches 324 defects per 100 vehicles. Overall, this model tends to perform worse than average, especially in more specific areas rather than common issues like tyre wear.
Cars by mileage segment
Total: 16,848 cars
More model years for Citroen C4
Other models from Citroen
Categories
Brakes
▼ 17.4% worse
85.1 faults / 100 tests
Year avg: 72.5 / 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
▲ 1.8% better
5.5 faults / 100 tests
Year avg: 5.6 / 100 tests
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: worn to the extent there is a serious risk of detachment
- A steering ball joint: with excessive wear or free play
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▼ 7.6% worse
15.6 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
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
- Wiper blade: defective
Lights & Electrics
▼ 108.3% worse
42.5 faults / 100 tests
Year avg: 20.4 / 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
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
- The aim of a headlamp is not within limits laid down in the requirements
- The aim of a headlamp is not within limits laid down in 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
Wheels & Suspension
▼ 18.7% worse
169.9 faults / 100 tests
Year avg: 143.1 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension pin, bush, joint or bearing: excessively worn
- 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
Body/Structure
▼ 297.1% worse
27.8 faults / 100 tests
Year avg: 7.0 / 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
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 22.2% better
2.1 faults / 100 tests
Year avg: 2.7 / 100 tests
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- ESC MIL indicates a system malfunction
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: or flexible stalk damaged
Other
▼ 23.3% worse
11.1 faults / 100 tests
Year avg: 9.0 / 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: 13,051
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 6,912
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 6,495
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,461
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 4,296
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: 2,732
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 2,170
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 1,805
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,711
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 1,433
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,711
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 1,433
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 1,175
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 1,086
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 966
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 637
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 607
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: 555
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 552
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 532