League table/ADLY
Make report · 2005–2025
ADLY
70.4%
first-time pass rate
23.4%
failed outright
3,129
MOT tests, 2005–2025
ADLY at a glance
Most reliable model
JET 50
76.0% pass
Least reliable model
JET 100
66.3% pass
Most tested model
ACTIVATOR 125
279 tests
Among ADLY models with ≥ 100 tests.
What fails a ADLY
failure defects across all ADLY models · advisories excluded
steering and suspension is ADLY's most common failure — 14.2% of all ADLY tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| steering and suspension |
|
14.2 | see ranking |
| brakes |
|
10.6 | see ranking |
| lighting and signalling |
|
9.6 | see ranking |
| tyres and wheels |
|
2.7 | see ranking |
| fuel and exhaust |
|
2.6 | see ranking |
Top failure groups aggregated across every ADLY model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
ADLY models, ranked by test volume
7 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| ACTIVATOR 125 |
|
72.4 | 22.9 | 4,827 | 279 |
| FOX 50 |
|
75.2 | 18.9 | 7,556 | 270 |
| PREDATOR |
|
67.1 | 25.4 | 6,396 | 240 |
| SUPERSONIC |
|
69.0 | 25.1 | 5,833 | 171 |
| THUNDER BIKE |
|
68.8 | 27.5 | 3,384 | 109 |
| JET 100 |
|
66.3 | 28.8 | 5,496 | 104 |
| JET 50 |
|
76.0 | 14.0 | 7,963 | 100 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.
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