League table/HARRIS
Make report · 2005–2025
HARRIS
86.2%
first-time pass rate
6.0%
failed outright
501
MOT tests, 2005–2025
What fails a HARRIS
failure defects across all HARRIS models · advisories excluded
lighting and signalling is HARRIS's most common failure — 3.8% of all HARRIS tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
3.8 | see ranking |
| brakes |
|
1.8 | see ranking |
| steering and suspension |
|
0.8 | see ranking |
| reg plates and vin |
|
1 | — |
| tyres and wheels |
|
0.6 | see ranking |
Top failure groups aggregated across every HARRIS model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
HARRIS models, ranked by test volume
1 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| MAGNUM |
|
87.1 | 5.8 | 21,819 | 139 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.