League table/DIRT PRO
Make report · 2005–2025
DIRT PRO
52.5%
first-time pass rate
38.0%
failed outright
337
MOT tests, 2005–2025
What fails a DIRT PRO
failure defects across all DIRT PRO models · advisories excluded
lighting and signalling is DIRT PRO's most common failure — 19.3% of all DIRT PRO tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
19.3 | see ranking |
| steering and suspension |
|
21.7 | see ranking |
| brakes |
|
16.9 | see ranking |
| tyres and wheels |
|
9.5 | see ranking |
| drive system |
|
6.8 | see ranking |
Top failure groups aggregated across every DIRT PRO model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
DIRT PRO models, ranked by test volume
1 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| GY 125-6 |
|
54.7 | 37.7 | 3,560 | 106 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.