Audi Tt vs Audi A5: MOT reliability compared
Updated 05 September 2026.
16.7%
Audi A5 MOT failure rate, 5.1 pts lower than Audi Tt
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.8% for Audi Tt, a 5.1 point gap.
| Metric | Audi Tt | Audi A5 |
|---|---|---|
| MOT failure rate | 21.8% | 16.7% |
| Tests analysed | 2,360,430 | 1,571,277 |
| Most common failure | Lamps & electrical (32.8%) | Tyres (38.9%) |
Questions and answers
Which is more reliable, Audi Tt or Audi A5?
Audi A5 is the more reliable MOT performer: 16.7% of Audi A5 MOTs fail versus 21.8% for Audi Tt, a 5.1 point gap.
What is the MOT failure rate of the Audi Tt?
21.8% of Audi Tt MOT tests result in a failure, from 2,360,430 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.