Audi A3 vs Audi A5: MOT reliability compared
Updated 05 September 2026.
16.7%
Audi A5 MOT failure rate, 5.0 pts lower than Audi A3
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.7% for Audi A3, a 5.0 point gap.
| Metric | Audi A3 | Audi A5 |
|---|---|---|
| MOT failure rate | 21.7% | 16.7% |
| Tests analysed | 7,707,618 | 1,571,277 |
| Most common failure | Tyres (26.9%) | Tyres (38.9%) |
Questions and answers
Which is more reliable, Audi A3 or Audi A5?
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.7% for Audi A3, a 5.0 point gap.
What is the MOT failure rate of the Audi A3?
21.7% of Audi A3 MOT tests result in a failure, from 7,707,618 tests.
What is the MOT failure rate of the Audi A5?
16.7% of Audi A5 MOT tests result in a failure, from 1,571,277 tests.