DS Ds4 vs DS Ds7: MOT reliability compared
Updated 05 September 2026.
14.5%
DS Ds7 MOT failure rate, 6.3 pts lower than DS Ds4
DS Ds7 is the more reliable MOT performer: 14.5% of DS Ds7 MOTs fail versus 20.8% for DS Ds4, a 6.3 point gap.
| Metric | DS Ds4 | DS Ds7 |
|---|---|---|
| MOT failure rate | 20.8% | 14.5% |
| Tests analysed | 46,253 | 20,343 |
| Most common failure | Tyres (26.0%) | Tyres (30.3%) |
Questions and answers
Which is more reliable, DS Ds4 or DS Ds7?
DS Ds7 is the more reliable MOT performer: 14.5% of DS Ds7 MOTs fail versus 20.8% for DS Ds4, a 6.3 point gap.
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.
What is the MOT failure rate of the DS Ds7?
14.5% of DS Ds7 MOT tests result in a failure, from 20,343 tests.