Citroen C1 vs Citroen Relay: MOT reliability compared
Updated 05 September 2026.
21.5%
Citroen C1 MOT failure rate, 9.4 pts lower than Citroen Relay
Citroen C1 is the more reliable MOT performer: 21.5% of Citroen C1 MOTs fail versus 30.9% for Citroen Relay, a 9.4 point gap.
| Metric | Citroen C1 | Citroen Relay |
|---|---|---|
| MOT failure rate | 21.5% | 30.9% |
| Tests analysed | 2,543,729 | 1,318,889 |
| Most common failure | Brakes (27.3%) | Lamps & electrical (42.7%) |
Questions and answers
Which is more reliable, Citroen C1 or Citroen Relay?
Citroen C1 is the more reliable MOT performer: 21.5% of Citroen C1 MOTs fail versus 30.9% for Citroen Relay, a 9.4 point gap.
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.
What is the MOT failure rate of the Citroen Relay?
30.9% of Citroen Relay MOT tests result in a failure, from 1,318,889 tests.