Citroen C4 vs Citroen C1: MOT reliability compared
Updated 05 September 2026.
21.5%
Citroen C1 MOT failure rate, 5.5 pts lower than Citroen C4
Citroen C1 is the more reliable MOT performer: 21.5% of Citroen C1 MOTs fail versus 27.0% for Citroen C4, a 5.5 point gap.
| Metric | Citroen C4 | Citroen C1 |
|---|---|---|
| MOT failure rate | 27.0% | 21.5% |
| Tests analysed | 3,593,692 | 2,543,729 |
| Most common failure | Lamps & electrical (32.5%) | Brakes (27.3%) |
Questions and answers
Which is more reliable, Citroen C4 or Citroen C1?
Citroen C1 is the more reliable MOT performer: 21.5% of Citroen C1 MOTs fail versus 27.0% for Citroen C4, a 5.5 point gap.
What is the MOT failure rate of the Citroen C4?
27.0% of Citroen C4 MOT tests result in a failure, from 3,593,692 tests.
What is the MOT failure rate of the Citroen C1?
21.5% of Citroen C1 MOT tests result in a failure, from 2,543,729 tests.