Citroen C3 years to avoid — 541,137 MOT tests ranked

Inspect most carefully: 2002, 2003, 2010. Strongest in the data: 2020 or 2021. The ranking uses 541,137 MOT tests across 20 registration years (2023–2025) and compares each year with all UK cars of the same age.

Every C3 year, ranked

The age-adjusted MOT index sets 100 as the pass rate of all UK cars registered in the same year and tested in the same calendar year. Higher is better. This prevents an old car being labelled a “bad year” simply because it is old.

RankYearIndexVs same-agePass rateTests
1 2021 Strong 103.3 +3.3 pts 93.7% 1,659
2 2020 Strong 101.8 +1.8 pts 91.7% 14,384
3 2019 100.3 +0.3 pts 88.7% 39,579
4 2018 98.6 -1.4 pts 85.0% 46,120
5 2017 97.0 -3.0 pts 81.0% 46,131
6 2006 96.7 -3.3 pts 61.1% 14,179
7 2015 96.6 -3.4 pts 75.4% 36,171
8 2016 96.1 -3.9 pts 77.4% 26,211
9 2014 96.0 -4.0 pts 71.9% 41,070
10 2013 95.5 -4.5 pts 68.8% 40,006
11 2007 95.5 -4.5 pts 60.6% 15,930
12 2004 94.9 -5.1 pts 59.2% 9,942
13 2005 94.8 -5.2 pts 59.3% 12,288
14 2008 94.5 -5.5 pts 59.6% 14,616
15 2012 94.4 -5.6 pts 65.7% 44,206
16 2009 93.7 -6.3 pts 60.1% 28,077
17 2011 93.4 -6.6 pts 62.6% 45,554
18 2010 Inspect 92.9 -7.1 pts 60.3% 54,187
19 2003 Inspect 92.3 -7.7 pts 57.3% 7,978
20 2002 Inspect 92.2 -7.8 pts 57.8% 2,849

Why 2002 and 2003 and 2010 rank lower

The 2010 cohort passes 60.3% of tests (-7.1 points versus same-age cars) at a median 87,558 miles, with lamps, reflectors and electrical equipment the leading failure system. The 2003 cohort passes 57.3% of tests (-7.7 points versus same-age cars) at a median 81,600 miles, with lamps, reflectors and electrical equipment the leading failure system. The 2002 cohort passes 57.8% of tests (-7.8 points versus same-age cars) at a median 86,618 miles, with lamps, reflectors and electrical equipment the leading failure system. This is population-level evidence, not a known-fault list: service history, engine version and the individual MOT record can outweigh the registration-year average.

How to use this before buying

  • Rankings describe the cohort, not the car. A cherished 2002 example beats a neglected 2020 one — always run the specific reg through the free MOT history check.
  • Read the advisories. Repeated notes for the same component across years mean the owner has been ignoring it. Decode them in our advisory library.
  • Scan before you pay. A 2-minute OBD scan reveals stored faults the dashboard hides — see our scanner guide.

FAQs

Which C3 years should I avoid?

Based on 541,137 MOT tests adjusted against cars of the same age, 2002, 2003, 2010 are the lower-scoring outliers. That is a prompt for closer inspection, not proof that every car from those years is bad.

What is the best C3 year to buy used?

2020 and 2021 lead the age-adjusted MOT ranking. The score compares each registration year with all UK cars of the same age; the specific car's history and condition still take priority.

Is the C3 reliable overall?

Across 541,137 tests, the median age-adjusted index is 95.5 (100 equals the pass rate of all cars registered in the same year). Use the spread between years as one signal, then check the individual registration.

Methodology: index = 100 + the model-year cohort’s MOT pass-rate difference versus all UK vehicles registered in the same year and tested in the same calendar year. Class 4 initial tests only; retests excluded; at least 1,500 tests per page. “Inspect” years are below both the same-age baseline and the model’s median index by at least 2 points. Association is not proof of a model-year defect. DVSA anonymised data 2023–2025, OGL v3.0.