Citroen C1 - 2017
149.3 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 C1, model year 2017.
Sample size: 9,315 cars, 19,644 tests and 29,337 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: 9,315 cars
The 2017 Citroën C1 has an overall defect rate of 149 per 100 vehicles, which is 12% higher than the average of 134 per 100 for its year. Notably, the C1 experiences significant issues in the categories of Wheels, Suspensions & Axles, and Body/Structure, where its defect rates exceed the average by 23% and 71%, respectively. Conversely, it excels in steering and equipment defects, demonstrating a much lower occurrence compared to the average. Additionally, as mileage increases, the defect rate for the C1 rises substantially, especially in the higher mileage brackets. This model's performance reflects mixed reliability, with specific weaknesses overshadowing its strengths.
Cars by mileage segment
Total: 9,315 cars
More model years for Citroen C1
Other models from Citroen
Categories
Brakes
▲ 6.1% better
68.1 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
▲ 92.9% better
0.4 faults / 100 tests
Year avg: 5.6 / 100 tests
- A steering ball joint: with excessive wear or free play
- 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.
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- Steering linkage retaining or locking device missing or ineffective
Visibility
▲ 0.7% better
14.4 faults / 100 tests
Year avg: 14.5 / 100 tests
- 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
- Wiper blade: defective
- Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 5.9% better
19.2 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
- 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
- Stop lamp(s): with a multiple light source up to 1/2 not functioning
- A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
Wheels & Suspension
▼ 20.5% worse
172.4 faults / 100 tests
Year avg: 143.1 / 100 tests
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- A suspension component: excessively damaged or corroded
- Tyre tread depth not in accordance with the requirements
- A wheel: badly distorted or wear between wheel and hub at spigot mounting
Body/Structure
▼ 55.7% worse
10.9 faults / 100 tests
Year avg: 7.0 / 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
- Exhaust system has a major leak or is insecure
- Exhaust system has a major leak or is insecure
Equipment
▲ 63.0% better
1.0 faults / 100 tests
Year avg: 2.7 / 100 tests
- ESC MIL indicates a system malfunction
- A seat belt: or flexible stalk damaged
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
Other
▼ 34.4% worse
12.1 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
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed the manufacturer’s specified limits
- Engine MIL inoperative or indicating a malfunction
- Emissions levels exceed default limits
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 5,942
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 4,226
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 3,020
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 2,681
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,236
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 717
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 676
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 615
Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
ADVISORY
Occurrences: 604
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 500
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 495
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 424
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 315
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 305
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 223
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 218
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 189
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 180
Engine MIL inoperative or indicating a malfunction
FAIL
Occurrences: 153
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 125