Bsa A65 vs Bsa C15: MOT reliability compared
Updated 05 September 2026.
8.1%
Bsa A65 MOT failure rate, 1.8 pts lower than Bsa C15
Bsa A65 is the more reliable MOT performer: 8.1% of Bsa A65 MOTs fail versus 9.9% for Bsa C15, a 1.8 point gap.
| Metric | Bsa A65 | Bsa C15 |
|---|---|---|
| MOT failure rate | 8.1% | 9.9% |
| Tests analysed | 6,445 | 6,321 |
| Most common failure | Lamps & electrical (18.9%) | Lamps & electrical (17.4%) |
Questions and answers
Which is more reliable, Bsa A65 or Bsa C15?
Bsa A65 is the more reliable MOT performer: 8.1% of Bsa A65 MOTs fail versus 9.9% for Bsa C15, a 1.8 point gap.
What is the MOT failure rate of the Bsa A65?
8.1% of Bsa A65 MOT tests result in a failure, from 6,445 tests.
What is the MOT failure rate of the Bsa C15?
9.9% of Bsa C15 MOT tests result in a failure, from 6,321 tests.