BIKERELIABILITY
MOT DATA · GREAT BRITAIN · 2005–2025
League table/ARIAL
Make report · 2005–2025

ARIAL

90.2%
first-time pass rate
3.0%
failed outright
133
MOT tests, 2005–2025

What fails a ARIAL

failure defects across all ARIAL models · advisories excluded

brakes is ARIAL's most common failure — 1.5% of all ARIAL tests record one.

Component groupShare of defects% of testsWorst offenders
brakes
1.5 see ranking
steering and suspension
2.3 see ranking
tyres and wheels
0.8 see ranking
body and structure
0.8 see ranking
drive system
0.8 see ranking

Top failure groups aggregated across every ARIAL model, 2005–2025. "% of tests" = share of the make's tests recording at least one defect in that group.

ARIAL models, ranked by test volume

0 models with ≥ 100 normal tests, 2005–2025
Model Pass rate Pass % Fail % Median miles Tests

Normal tests only. Median miles is odometer reading at test where recorded. Source: DVSA anonymised MOT results, 2005–2025.