Audi A6 vs Audi A5: MOT reliability compared
Updated 05 September 2026.
16.7%
Audi A5 MOT failure rate, 4.6 pts lower than Audi A6
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.3% for Audi A6, a 4.6 point gap.
| Metric | Audi A6 | Audi A5 |
|---|---|---|
| MOT failure rate | 21.3% | 16.7% |
| Tests analysed | 2,819,307 | 1,571,277 |
| Most common failure | Tyres (26.8%) | Tyres (38.9%) |
Questions and answers
Which is more reliable, Audi A6 or Audi A5?
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.3% for Audi A6, a 4.6 point gap.
What is the MOT failure rate of the Audi A6?
21.3% of Audi A6 MOT tests result in a failure, from 2,819,307 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.