League table/JAMES
Make report · 2005–2025
JAMES
92.3%
first-time pass rate
3.7%
failed outright
3,353
MOT tests, 2005–2025
JAMES at a glance
Most reliable model
SUPER SWIFT
97.0% pass
Least reliable model
COMET
87.9% pass
Most tested model
CAPTAIN
394 tests
Among JAMES models with ≥ 100 tests.
What fails a JAMES
failure defects across all JAMES models · advisories excluded
lighting and signalling is JAMES's most common failure — 1.9% of all JAMES tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
1.9 | see ranking |
| steering and suspension |
|
1.6 | see ranking |
| brakes |
|
1.1 | see ranking |
| tyres and wheels |
|
0.9 | see ranking |
| fuel and exhaust |
|
0.5 | see ranking |
Top failure groups aggregated across every JAMES model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
JAMES models, ranked by test volume
4 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| CAPTAIN |
|
90.6 | 4.3 | 14,036 | 394 |
| COMET |
|
87.9 | 7.0 | 18,945 | 214 |
| CADET |
|
92.7 | 5.2 | 14,916 | 193 |
| SUPER SWIFT |
|
97.0 | 0.0 | 10,763 | 100 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.
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