Ford Fiesta vs Audi A4: MOT reliability compared
Updated 05 September 2026.
23.7%
Audi A4 MOT failure rate, 3.4 pts lower than Ford Fiesta
Audi A4 is the more reliable MOT performer: 23.7% of Audi A4 MOTs fail versus 27.1% for Ford Fiesta, a 3.4 point gap.
| Metric | Ford Fiesta | Audi A4 |
|---|---|---|
| MOT failure rate | 27.1% | 23.7% |
| Tests analysed | 34,778,925 | 7,296,945 |
| Most common failure | Suspension (32.3%) | Suspension (29.5%) |
Questions and answers
Which is more reliable, Ford Fiesta or Audi A4?
Audi A4 is the more reliable MOT performer: 23.7% of Audi A4 MOTs fail versus 27.1% for Ford Fiesta, a 3.4 point gap.
What is the MOT failure rate of the Ford Fiesta?
27.1% of Ford Fiesta MOT tests result in a failure, from 34,778,925 tests.
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.