League table/GIANTCO
Make report · 2005–2025
GIANTCO
59.2%
first-time pass rate
29.6%
failed outright
1,305
MOT tests, 2005–2025
What fails a GIANTCO
failure defects across all GIANTCO models · advisories excluded
lighting and signalling is GIANTCO's most common failure — 17.7% of all GIANTCO tests record one.
| Component group | Share of defects | % of tests | Worst offenders |
|---|---|---|---|
| lighting and signalling |
|
17.7 | see ranking |
| steering and suspension |
|
13.9 | see ranking |
| brakes |
|
11.1 | see ranking |
| drive system |
|
4.4 | see ranking |
| tyres and wheels |
|
4.1 | see ranking |
Top failure groups aggregated across every GIANTCO model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.
GIANTCO models, ranked by test volume
1 models with ≥ 100 normal tests, 2005–2025
| Model | Pass rate | Pass % | Fail % | Median miles | Tests |
|---|---|---|---|---|---|
| HY 150 N |
|
52.3 | 37.7 | 5,000 | 281 |
Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.
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