Bsa Bantam vs Bsa C15: MOT reliability compared
Updated 05 September 2026.
9.9%
Bsa C15 MOT failure rate, 0.4 pts lower than Bsa Bantam
Bsa C15 is the more reliable MOT performer: 9.9% of Bsa C15 MOTs fail versus 10.3% for Bsa Bantam, a 0.4 point gap.
| Metric | Bsa Bantam | Bsa C15 |
|---|---|---|
| MOT failure rate | 10.3% | 9.9% |
| Tests analysed | 8,778 | 6,321 |
| Most common failure | Lamps & electrical (21.2%) | Lamps & electrical (17.4%) |
Questions and answers
Which is more reliable, Bsa Bantam or Bsa C15?
Bsa C15 is the more reliable MOT performer: 9.9% of Bsa C15 MOTs fail versus 10.3% for Bsa Bantam, a 0.4 point gap.
What is the MOT failure rate of the Bsa Bantam?
10.3% of Bsa Bantam MOT tests result in a failure, from 8,778 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.