Audi Tt vs Audi Q3: MOT reliability compared
Updated 05 September 2026.
12.8%
Audi Q3 MOT failure rate, 9.0 pts lower than Audi Tt
Audi Q3 is the more reliable MOT performer: 12.8% of Audi Q3 MOTs fail versus 21.8% for Audi Tt, a 9.0 point gap.
| Metric | Audi Tt | Audi Q3 |
|---|---|---|
| MOT failure rate | 21.8% | 12.8% |
| Tests analysed | 2,360,430 | 1,125,421 |
| Most common failure | Lamps & electrical (32.8%) | Tyres (32.5%) |
Questions and answers
Which is more reliable, Audi Tt or Audi Q3?
Audi Q3 is the more reliable MOT performer: 12.8% of Audi Q3 MOTs fail versus 21.8% for Audi Tt, a 9.0 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 Q3?
12.8% of Audi Q3 MOT tests result in a failure, from 1,125,421 tests.