League table/TOMOS
Make report · 2005–2025
TOMOS
84.0%
first-time pass rate
8.2%
failed outright
2,304
MOT tests, 2005–2025
TOMOS at a glance
Most reliable model
CLASSIC
83.9% pass
Least reliable model
A3MS
73.0% pass
Most tested model
CLASSIC
274 tests
Among TOMOS models with ≥ 100 tests.
What fails a TOMOS
failure defects across all TOMOS models · advisories excluded
brakes is TOMOS's most common failure — 2.9% of all TOMOS tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| brakes |
|
2.9 | see ranking |
| lighting and signalling |
|
2.4 | see ranking |
| steering and suspension |
|
2.8 | see ranking |
| lamps and reflectors |
|
1.6 | see ranking |
| suspension |
|
0.9 | see ranking |
Top failure groups aggregated across every TOMOS model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
TOMOS models, ranked by test volume
3 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| CLASSIC |
|
83.9 | 6.2 | 1,330 | 274 |
| A3MS |
|
73.0 | 11.0 | 2,386 | 200 |
| A3M |
|
82.6 | 7.2 | 3,177 | 195 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.