Aston Martin Db9 vs Aston Martin Db11: MOT reliability compared
Updated 05 September 2026.
4.7%
Aston Martin Db11 MOT failure rate, 5.9 pts lower than Aston Martin Db9
Aston Martin Db11 is the more reliable MOT performer: 4.7% of Aston Martin Db11 MOTs fail versus 10.6% for Aston Martin Db9, a 5.9 point gap.
| Metric | Aston Martin Db9 | Aston Martin Db11 |
|---|---|---|
| MOT failure rate | 10.6% | 4.7% |
| Tests analysed | 82,799 | 14,818 |
| Most common failure | Lamps & electrical (31.5%) | Tyres (29.1%) |
Questions and answers
Which is more reliable, Aston Martin Db9 or Aston Martin Db11?
Aston Martin Db11 is the more reliable MOT performer: 4.7% of Aston Martin Db11 MOTs fail versus 10.6% for Aston Martin Db9, a 5.9 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 Db11?
4.7% of Aston Martin Db11 MOT tests result in a failure, from 14,818 tests.