League table/DOUGLAS
Make report · 2005–2025
DOUGLAS
92.8%
first-time pass rate
3.3%
failed outright
3,436
MOT tests, 2005–2025
DOUGLAS at a glance
Most reliable model
DRAGONFLY
93.6% pass
Least reliable model
VESPA
82.3% pass
Most tested model
DRAGONFLY
374 tests
Among DOUGLAS models with ≥ 100 tests.
What fails a DOUGLAS
failure defects across all DOUGLAS models · advisories excluded
lighting and signalling is DOUGLAS's most common failure — 1.6% of all DOUGLAS tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
1.6 | see ranking |
| brakes |
|
1.3 | see ranking |
| steering and suspension |
|
1.2 | see ranking |
| tyres and wheels |
|
0.4 | see ranking |
| reg plates and vin |
|
0.2 | — |
Top failure groups aggregated across every DOUGLAS model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
DOUGLAS models, ranked by test volume
4 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| DRAGONFLY |
|
93.6 | 2.4 | 8,174 | 374 |
| VESPA |
|
82.3 | 13.5 | 11,562 | 215 |
| MK5 |
|
84.3 | 4.3 | 7,842 | 140 |
| T35 |
|
92.3 | 1.7 | 8,887 | 117 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.