Citroen C4 — reliability by registration year
2005–2022 · 18 registration years · 126,560 first tests
2021
breaks the run — 4.5 pp worse than the years either side
Registration years
First-attempt MOT results for every C4 registration year with at least 500 first tests in 2025. Pass rates rise with newer cars, so read a year against its neighbours rather than against the top of the table. Years without their own report are listed here with the same figures.
| Year | First tests | First-attempt pass | Incl. PRS | Most common failure |
|---|---|---|---|---|
| 2022 | 7,742 | 83.3% | 86.8% | Tyres — Condition (front) 14.5% |
| 2021 | 6,040 | 79.4% | 82.9% | Linkage ball joint dust cover (front) 16.9% |
| 4.5 pp worse than the years either side What failed 2021 C4s most often: Linkage ball joint dust cover (front) (16.9%) · Visibility — Wipers (front) (14.9%) · Tyres — Condition (front) (9.1%) | ||||
| 2020 | 1,641 | 84.4% | 87.8% | |
| 2019 | 4,766 | 76.7% | 81.2% | Brake pads (rear) 13.6% |
| 2018 | 2,576 | 72.9% | 79.2% | Brake pads (rear) 12.6% |
| 2017 | 836 | 67.2% | 74.5% | |
| 2016 | 15,965 | 62.3% | 69.9% | Drive shafts — Joints (front) 20.2% |
| 2015 | 25,465 | 60.4% | 67.6% | Drive shafts — Joints (front) 14.7% |
| 2014 | 18,913 | 56.5% | 62.7% | Drive shafts — Joints (front) 17.3% |
| 2013 | 10,925 | 53.7% | 61.4% | Drive shafts — Joints (front) 16.6% |
| 2012 | 7,285 | 54.5% | 62.5% | Drive shafts — Joints (front) 13.9% |
| 2011 | 5,770 | 52.5% | 60.8% | Drive shafts — Joints (front) 13.6% |
| 2010 | 4,635 | 46.0% | 56.6% | Position lamp (front) 23.9% |
| 2009 | 3,669 | 48.0% | 59.2% | Position lamp (front) 24.0% |
| 2008 | 4,812 | 46.1% | 55.8% | Position lamp (front) 21.0% |
| 2007 | 3,668 | 48.7% | 59.4% | Position lamp (front) 16.8% |
| 2006 | 1,235 | 49.6% | 60.4% | Position lamp (front) 15.2% |
| 2005 | 617 | 54.3% | 64.0% | |