Aston Martin Db9 vs Aston Martin Db7: MOT reliability compared
Updated 05 September 2026.
10.6%
Aston Martin Db9 MOT failure rate, 4.2 pts lower than Aston Martin Db7
Aston Martin Db9 is the more reliable MOT performer: 10.6% of Aston Martin Db9 MOTs fail versus 14.8% for Aston Martin Db7, a 4.2 point gap.
| Metric | Aston Martin Db9 | Aston Martin Db7 |
|---|---|---|
| MOT failure rate | 10.6% | 14.8% |
| Tests analysed | 82,799 | 56,194 |
| Most common failure | Lamps & electrical (31.5%) | Brakes (28.3%) |
Questions and answers
Which is more reliable, Aston Martin Db9 or Aston Martin Db7?
Aston Martin Db9 is the more reliable MOT performer: 10.6% of Aston Martin Db9 MOTs fail versus 14.8% for Aston Martin Db7, a 4.2 point gap.
What is the MOT failure rate of the Aston Martin Db9?
10.6% of Aston Martin Db9 MOT tests result in a failure, from 82,799 tests.
What is the MOT failure rate of the Aston Martin Db7?
14.8% of Aston Martin Db7 MOT tests result in a failure, from 56,194 tests.