Most reliable Bsa: MOT failure rates ranked
Updated 05 September 2026.
7.9%
Bsa A10, the most reliable Bsa
The most reliable Bsa on MOT failure rate is the Bsa A10, at 7.9% failures across 11,062 tests.
| Rank | Model | MOT failure rate | Tests |
|---|---|---|---|
| 1 | Bsa A10 | 7.9% | 11,062 |
| 2 | Bsa A65 | 8.1% | 6,445 |
| 3 | Bsa C15 | 9.9% | 6,321 |
| 4 | Bsa Bantam | 10.3% | 8,778 |
Questions and answers
What is the most reliable Bsa at MOT?
The most reliable Bsa on MOT failure rate is the Bsa A10, at 7.9% failures across 11,062 tests.
Which Bsa fails its MOT most often?
The Bsa Bantam has the highest MOT failure rate of the Bsa range, at 10.3%.