Daihatsu Sirion vs Daihatsu Terios: MOT reliability compared
Updated 05 September 2026.
22.7%
Daihatsu Sirion MOT failure rate, 3.5 pts lower than Daihatsu Terios
Daihatsu Sirion is the more reliable MOT performer: 22.7% of Daihatsu Sirion MOTs fail versus 26.2% for Daihatsu Terios, a 3.5 point gap.
| Metric | Daihatsu Sirion | Daihatsu Terios |
|---|---|---|
| MOT failure rate | 22.7% | 26.2% |
| Tests analysed | 253,584 | 227,982 |
| Most common failure | Suspension (27.1%) | Suspension (33.8%) |
Questions and answers
Which is more reliable, Daihatsu Sirion or Daihatsu Terios?
Daihatsu Sirion is the more reliable MOT performer: 22.7% of Daihatsu Sirion MOTs fail versus 26.2% for Daihatsu Terios, a 3.5 point gap.
What is the MOT failure rate of the Daihatsu Sirion?
22.7% of Daihatsu Sirion MOT tests result in a failure, from 253,584 tests.
What is the MOT failure rate of the Daihatsu Terios?
26.2% of Daihatsu Terios MOT tests result in a failure, from 227,982 tests.