League table/OSSA
Make report · 2005–2025
OSSA
87.7%
first-time pass rate
4.3%
failed outright
399
MOT tests, 2005–2025
What fails a OSSA
failure defects across all OSSA models · advisories excluded
lighting and signalling is OSSA's most common failure — 1.8% of all OSSA tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
1.8 | see ranking |
| reg plates and vin |
|
1.8 | — |
| steering and suspension |
|
0.8 | see ranking |
| brakes |
|
1.3 | see ranking |
| fuel and exhaust |
|
0.8 | see ranking |
Top failure groups aggregated across every OSSA model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
OSSA models, ranked by test volume
0 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.