Ford Fiesta vs Ford Ka: MOT reliability compared
Updated 05 September 2026.
27.1%
Ford Fiesta MOT failure rate, 3.8 pts lower than Ford Ka
Ford Fiesta is the more reliable MOT performer: 27.1% of Ford Fiesta MOTs fail versus 30.9% for Ford Ka, a 3.8 point gap.
| Metric | Ford Fiesta | Ford Ka |
|---|---|---|
| MOT failure rate | 27.1% | 30.9% |
| Tests analysed | 34,778,925 | 8,893,642 |
| Most common failure | Suspension (32.3%) | Suspension (44.1%) |
Questions and answers
Which is more reliable, Ford Fiesta or Ford Ka?
Ford Fiesta is the more reliable MOT performer: 27.1% of Ford Fiesta MOTs fail versus 30.9% for Ford Ka, a 3.8 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 Ford Ka?
30.9% of Ford Ka MOT tests result in a failure, from 8,893,642 tests.