Audi A4 vs Audi A1: MOT reliability compared
Updated 05 September 2026.
16.3%
Audi A1 MOT failure rate, 7.4 pts lower than Audi A4
Audi A1 is the more reliable MOT performer: 16.3% of Audi A1 MOTs fail versus 23.7% for Audi A4, a 7.4 point gap.
| Metric | Audi A4 | Audi A1 |
|---|---|---|
| MOT failure rate | 23.7% | 16.3% |
| Tests analysed | 7,296,945 | 2,209,642 |
| Most common failure | Suspension (29.5%) | Tyres (32.0%) |
Questions and answers
Which is more reliable, Audi A4 or Audi A1?
Audi A1 is the more reliable MOT performer: 16.3% of Audi A1 MOTs fail versus 23.7% for Audi A4, a 7.4 point gap.
What is the MOT failure rate of the Audi A4?
23.7% of Audi A4 MOT tests result in a failure, from 7,296,945 tests.
What is the MOT failure rate of the Audi A1?
16.3% of Audi A1 MOT tests result in a failure, from 2,209,642 tests.