Citroen C1 - 2018
129.6 faults per 100 tests
Year average for all cars of 2018 is 123.2 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C1, model year 2018.
Sample size: 7,339 cars, 15,172 tests and 19,667 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: 7,339 cars
The 2018 Citroen C1 has an overall defect rate of 130 defects per 100 vehicles, which is 8% higher than the yearly average of 120 defects. Notably, the C1 shows significantly lower defect rates in the steering and equipment categories, performing better than the average with only 0.25% and 0.65% defects, respectively. However, it struggles in the wheels, suspensions, and axles category, with a defect rate of 161%, which is notably higher than the average of 125%. Mileage-related trends indicate an increasing defect rate as mileage increases, with the highest rate seen in vehicles with over 124,000 miles.
Cars by mileage segment
Total: 7,339 cars
More model years for Citroen C1
Other models from Citroen
Categories
Brakes
▲ 13.4% better
59.6 faults / 100 tests
Year avg: 68.8 / 100 tests
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake disc or drum: significantly and obviously worn
- Brake disc or drum: significantly and obviously worn
- Brake lining or pad: worn below 1.5mm
- Brake lining or pad: worn below 1.5mm
Steering
▲ 94.0% better
0.3 faults / 100 tests
Year avg: 5.0 / 100 tests
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- A steering ball joint: with excessive wear or free play
- A steering linkage component: with an unsafe modification
- Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
- Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
Visibility
▼ 4.3% worse
14.5 faults / 100 tests
Year avg: 13.9 / 100 tests
- 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
- Wiper blade: missing or obviously not clearing the windscreen
- Windscreen washers not working or not providing sufficient fluid to clear the windscreen
Lights & Electrics
▲ 23.9% better
13.4 faults / 100 tests
Year avg: 17.6 / 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
- Stop lamp(s): with a multiple light source up to 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
- Stop lamp(s): all missing or inoperative
Wheels & Suspension
▼ 27.4% worse
161.4 faults / 100 tests
Year avg: 126.7 / 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
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A suspension pin, bush, joint or bearing: excessively worn
- A wheel: badly distorted or wear between wheel and hub at spigot mounting
Body/Structure
▼ 3.9% worse
5.3 faults / 100 tests
Year avg: 5.1 / 100 tests
- 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
- Exhaust system has a major leak or is insecure
- A main load-bearing structural member: fractured or deformed such that structural rigidity is significantly reduced
Equipment
▲ 72.7% better
0.6 faults / 100 tests
Year avg: 2.2 / 100 tests
- ESC MIL indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- A seat belt:
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: or flexible stalk damaged
Other
▲ 40.0% better
4.2 faults / 100 tests
Year avg: 7.0 / 100 tests
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Emissions levels exceed default limits
- 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 test unable to be completed
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: 5,345
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,063
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,996
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 1,783
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,009
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 587
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 419
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 335
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 267
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 263
Serious faults (Top 10)
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 419
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 267
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 263
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 221
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 132
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 130
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 127
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 63
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 62
A headlamp: missing, inoperative or more than ½ not functioning in the case of LED
FAIL
Occurrences: 54