Skip to main content

Citroen C4 - 2021

98.6 faults per 100 tests
Year average for all cars of 2021 is 80.0 faults per 100 tests
Dataset: MOT tests in Great Britain (period: 2024-01-01 to 2025-09-10) for Citroen C4, model year 2021. Sample size: 5,528 cars, 12,349 tests and 12,180 recorded faults.
0%
More faults compared to the average car of same model year

Quick summary

Total: 5,528 cars

The 2021 Citroen C4 has an overall defect rate of 99 per 100 vehicles, which is 26% higher than the average rate of 79 per 100 for cars of the same year. Notably, the C4 shows significantly better performance in steering, lights and electrics, and other defects, with lower failure rates compared to the average. However, it struggles with brakes, visibility, and body/structure issues, where the defect rates are considerably higher than those of the average vehicle. Additionally, the defect rates increase as mileage rises, particularly evident in the higher mileage categories for this model.

Cars by mileage segment

Total: 5,528 cars

More model years for Citroen C4

2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

Other models from Citroen

Citroen 2CV Citroen BERLINGO Citroen C-CROSSER Citroen C1 Citroen C2 Citroen C3 Citroen C4 Citroen C5 Citroen DISPATCH Citroen DS3 Citroen DS5 Citroen NEMO Citroen RELAY Citroen SAXO Citroen XSARA

Categories

Brakes
▼ 58.3% worse
63.3 faults / 100 tests
Year avg: 40.0 / 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
▲ 28.6% better
0.5 faults / 100 tests
Year avg: 0.7 / 100 tests
  • Free play in the steering, measured at the rim of the steering wheel is: excessive
  • Excessive radial movement between the top of the steering column and the shaft indicating an excessively worn top bearing
  • A steering ball joint: with excessive wear or free play
  • Steering rack gaiter or ball joint dust cover: damaged or deteriorated
  • Steering rack gaiter or ball joint dust cover: missing or no longer prevents the ingress of dirt etc.
Visibility
▼ 77.9% worse
25.8 faults / 100 tests
Year avg: 14.5 / 100 tests
  • Wiper blade: missing or obviously not clearing the windscreen
  • 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
  • Wiper blade: defective
  • Wiper blade: missing or obviously not clearing the windscreen
Lights & Electrics
▲ 40.2% better
6.7 faults / 100 tests
Year avg: 11.2 / 100 tests
  • The aim of a headlamp is not within limits laid down in the requirements
  • Lamp not securely attached
  • A lens defective: which has no effect on emitted light
  • The aim of a headlamp is not within limits laid down in the requirements
  • A front or rear fog lamp: not securely attached
Wheels & Suspension
▼ 7.7% worse
94.0 faults / 100 tests
Year avg: 87.3 / 100 tests
  • A suspension pin, bush, joint or bearing: excessively worn
  • A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
  • Tyre tread depth not in accordance with the requirements
  • A tyre: with a lump, bulge or tear … or with cords exposed or damaged
  • A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
Body/Structure
▼ 81.0% worse
3.8 faults / 100 tests
Year avg: 2.1 / 100 tests
  • 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 transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
  • Bumper: insecure or with damage likely to cause injury when grazed or contacted
Equipment
▲ 0.0% better
1.5 faults / 100 tests
Year avg: 1.5 / 100 tests
  • A seat belt: webbing or flexible stalk significantly stretched or weakened
  • A seat belt:
  • Seat belt buckle missing, damaged or not functioning as intended
  • Seat belt not functioning as intended or of an incorrect type
  • ESC MIL indicates a system malfunction
Other
▲ 37.0% better
1.7 faults / 100 tests
Year avg: 2.7 / 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
  • Engine MIL inoperative or indicating a malfunction
  • Engine MIL inoperative or indicating a malfunction
  • Emissions levels exceed default limits

Fault rate by mileage segment

Model    Year average
0 268 0–31,000 mi 31,000–62,000 62,000–93,000 93,000–124,000 124,000+
* Metric: faults per 100 tests.

Most common faults (Top 10)

Tyre tread depth not in accordance with the requirements
ADVISORY
Occurrences: 3,106
Brake disc or drum: insecure, fractured or otherwise likely to fail
ADVISORY
Occurrences: 1,909
Brake lining or pad: worn below 1.5mm
ADVISORY
Occurrences: 1,016
A suspension pin, bush, joint or bearing: excessively worn
ADVISORY
Occurrences: 662
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
ADVISORY
Occurrences: 655
Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 506
Brake disc or drum: significantly and obviously worn
ADVISORY
Occurrences: 375
Wiper blade: defective
MINOR
Occurrences: 322
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
ADVISORY
Occurrences: 268
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 264

Serious faults (Top 10)

Wiper blade: missing or obviously not clearing the windscreen
FAIL
Occurrences: 506
Windscreen washers not working or not providing sufficient fluid to clear the windscreen
FAIL
Occurrences: 264
A suspension joint dust cover: missing or no longer prevents the ingress of dirt etc.
FAIL
Occurrences: 237
Brake lining or pad: worn below 1.5mm
FAIL
Occurrences: 230
A tyre: with a cut in excess of the requirements deep enough to reach the ply or cords
FAIL
Occurrences: 177
A suspension pin, bush, joint or bearing: excessively worn
FAIL
Occurrences: 172
A tyre: with a lump, bulge or tear … or with cords exposed or damaged
FAIL
Occurrences: 156
Tyre tread depth not in accordance with the requirements
FAIL
Occurrences: 126
Brake disc or drum: significantly and obviously worn
FAIL
Occurrences: 104
A transmission shaft constant velocity joint boot: missing, split, insecure or no longer prevents the ingress of dirt
FAIL
Occurrences: 47