Citroen C1 - 2011
298.1 faults per 100 tests
Year average for all cars of 2011 is 274.4 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C1, model year 2011.
Sample size: 13,985 cars, 32,281 tests and 96,242 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: 13,985 cars
The 2011 Citroen C1 has an overall defect rate of 298 defects per 100 vehicles, which is 10% higher than the average for cars of the same year. The model shows a notable negative trend in the brakes and lights & electrics categories, with defect rates of 153 and 82 per 100 respectively, significantly above the yearly averages. However, it performs much better in steering, visibility, and equipment, with defects considerably lower than the average. Mileage trends indicate that as the vehicle ages, the defect rate increases, particularly for those with over 124,000 miles.
Cars by mileage segment
Total: 13,985 cars
More model years for Citroen C1
Other models from Citroen
Categories
Brakes
▼ 39.3% worse
153.1 faults / 100 tests
Year avg: 109.9 / 100 tests
- Brake pipe damaged or excessively corroded
- Significant brake effort recorded with no brake applied indicating a binding brake
- Brake pipe damaged or excessively corroded
- Brake disc or drum: insecure, fractured or otherwise likely to fail
- Brake lining or pad: worn below 1.5mm
Steering
▲ 85.4% better
2.3 faults / 100 tests
Year avg: 15.8 / 100 tests
- A steering ball joint: with excessive wear or free play
- Steering linkage retaining or locking device missing or ineffective
- Steering rack gaiter or ball joint dust cover: damaged or deteriorated
- 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
▲ 29.2% better
15.0 faults / 100 tests
Year avg: 21.2 / 100 tests
- Wiper blade: missing or obviously not clearing the windscreen
- Wiper blade: defective
- Windscreen washers not working or not providing sufficient fluid to clear 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
▼ 19.7% worse
82.5 faults / 100 tests
Year avg: 68.9 / 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
- Lamp emitted colour, position or intensity not in accordance with the requirements
- Product on the lens or light source which obviously reduces light intensity or changes emitted colour to other than white or yellow
- Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
- Headlamp reflector or lens: slightly defective
Wheels & Suspension
▼ 9.5% worse
291.7 faults / 100 tests
Year avg: 266.4 / 100 tests
- A suspension pin, bush, joint or bearing: excessively worn
- A tyre: with a lump, bulge or tear … or with cords exposed or damaged
- A spring: or spring component fractured or seriously weakened
- Tyre tread depth not in accordance with the requirements
- A suspension component: excessively damaged or corroded
Body/Structure
▼ 0.3% worse
31.4 faults / 100 tests
Year avg: 31.3 / 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
- Vehicle structure corroded to the extent that: the rigidity of the assembly is significantly reduced
- A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
Equipment
▲ 54.1% better
3.4 faults / 100 tests
Year avg: 7.4 / 100 tests
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
- An SRS malfunction indicator lamp (MIL) indicates a system malfunction
- A seat belt: webbing or flexible stalk significantly stretched or weakened
- Audible warning:
- is significantly reduced or The strength or continuity of the load bearing structure within 30cm of any seat belt anchorage (a ’prescribed area’): inadequately repaired
Other
▲ 39.6% better
16.8 faults / 100 tests
Year avg: 27.8 / 100 tests
- Fluid: leaking excessively and likely to harm the environment or to pose a safety risk to other road users
- Emissions test unable to be completed
- An induction or exhaust leak that could affect emissions levels
- Lambda coefficient outside the default limits or the range specified by the manufacturer
- Engine MIL inoperative or indicating a malfunction
Fault rate by mileage segment
Model
Year average
* Metric: faults per 100 tests.
Most common faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 10,804
Brake pipe damaged or excessively corroded
ADVISORY
Occurrences: 9,857
Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 8,315
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 6,988
A suspension component: excessively damaged or corroded
ADVISORY
Occurrences: 6,360
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 4,202
Exhaust system has a major leak or is insecure
ADVISORY
Occurrences: 2,447
A spring: or spring component fractured or seriously weakened
ADVISORY
Occurrences: 2,310
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: 2,088
A wheel: badly distorted or wear between wheel and hub at spigot mounting
ADVISORY
Occurrences: 1,810
Serious faults (Top 10)
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 1,456
Brake pipe damaged or excessively corroded
FAIL
Occurrences: 1,186
Lamp: missing, inoperative or in the case of a multiple light source more than a half not functioning
FAIL
Occurrences: 1,086
Significant brake effort recorded with no brake applied indicating a binding brake
FAIL
Occurrences: 961
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 935
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 860
The strength or continuity of the load bearing structure within 30cm … is significantly reduced or inadequately repaired
FAIL
Occurrences: 713
Exhaust system has a major leak or is insecure
FAIL
Occurrences: 713
Beam image obviously incorrect
FAIL
Occurrences: 702
Lambda coefficient outside the default limits or the range specified by the manufacturer
FAIL
Occurrences: 524