League table/SINNIS
Make report · 2005–2025
SINNIS
67.7%
first-time pass rate
23.1%
failed outright
16.1k
MOT tests, 2005–2025
SINNIS at a glance
Most reliable model
QM
76.4% pass
Least reliable model
RSX 125
57.9% pass
Most tested model
ZS 125-86 TERRAIN
2,152 tests
Among SINNIS models with ≥ 100 tests.
What fails a SINNIS
failure defects across all SINNIS models · advisories excluded
lamps and reflectors is SINNIS's most common failure — 12.3% of all SINNIS tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lamps and reflectors |
|
12.3 | see ranking |
| brakes |
|
9.3 | see ranking |
| structure and attachments |
|
7.4 | see ranking |
| suspension |
|
6.7 | see ranking |
| steering |
|
4.2 | see ranking |
Top failure groups aggregated across every SINNIS model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
SINNIS models, ranked by test volume
23 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| ZS 125-86 TERRAIN |
|
70.8 | 21.3 | 7,930 | 2,152 |
| ZS 125-79 HOODLUM |
|
67.9 | 23.9 | 4,790 | 1,746 |
| XF |
|
66.0 | 19.4 | 5,074 | 1,553 |
| SHUTTLE |
|
66.5 | 26.9 | 5,852 | 1,428 |
| JS |
|
66.6 | 23.1 | 8,078 | 1,276 |
| QM |
|
76.4 | 12.4 | 4,942 | 1,016 |
| RSX 125 |
|
57.9 | 31.8 | 6,749 | 746 |
| SHUTTLE (EURO 4) |
|
66.8 | 26.7 | 4,920 | 722 |
| TERRAIN 125 |
|
74.1 | 19.7 | 5,614 | 660 |
| APACHE |
|
62.0 | 27.2 | 4,802 | 503 |
| HERO |
|
75.0 | 17.7 | 4,864 | 436 |
| HARRIER |
|
68.2 | 27.1 | 5,794 | 424 |
| HOODLUM 125 |
|
67.9 | 21.1 | 3,769 | 365 |
| APACHE SMR |
|
60.1 | 30.5 | 5,294 | 298 |
| CRUISE STAR |
|
58.4 | 28.3 | 3,350 | 293 |
| ZN 50 QT-56 ENCANTO |
|
74.2 | 17.7 | 2,270 | 271 |
| AKUMA ZS 125-88 |
|
63.2 | 25.8 | 4,482 | 190 |
| ZN 125 |
|
66.8 | 28.8 | 3,854 | 184 |
| MATRIX 3i |
|
67.8 | 24.4 | 7,432 | 180 |
| CLASSIC |
|
61.0 | 34.8 | 3,192 | 164 |
| SHUTTLE 125 |
|
62.7 | 31.6 | 5,814 | 158 |
| OUTLAW 125 |
|
73.1 | 13.9 | 3,371 | 108 |
| JET II |
|
66.7 | 26.5 | 3,268 | 102 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.