DS Ds3 vs DS Ds4: MOT reliability compared
Updated 05 September 2026.
20.8%
DS Ds4 MOT failure rate, 0.8 pts lower than DS Ds3
DS Ds4 is the more reliable MOT performer: 20.8% of DS Ds4 MOTs fail versus 21.6% for DS Ds3, a 0.8 point gap.
| Metric | DS Ds3 | DS Ds4 |
|---|---|---|
| MOT failure rate | 21.6% | 20.8% |
| Tests analysed | 307,811 | 46,253 |
| Most common failure | Suspension (21.2%) | Tyres (26.0%) |
Questions and answers
Which is more reliable, DS Ds3 or DS Ds4?
DS Ds4 is the more reliable MOT performer: 20.8% of DS Ds4 MOTs fail versus 21.6% for DS Ds3, a 0.8 point gap.
What is the MOT failure rate of the DS Ds3?
21.6% of DS Ds3 MOT tests result in a failure, from 307,811 tests.
What is the MOT failure rate of the DS Ds4?
20.8% of DS Ds4 MOT tests result in a failure, from 46,253 tests.