These MOT failure patterns show up more often on this registration year than on similar cars of the same class, age, and mileage.
Shares below are measured across the 201 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Service brake performance — 14.4% of this year's failed first attempts
Recorded on 29 of those tests. It tops the table on elevation — about 27× more often than on similar cars of the same age and mileage. The full ranked list is in the table below.
No patterns met the strongest callout thresholds on this page; showing the highest-lift rows that still cleared the display floors.
| Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|
|
Service brake performance
Brakes > Brake performance > Service Brake Efficiency (sp) > Rbt (sp) > Service brake performance
|
Any | 29 | ×27 | 14.4% | Possible |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 41 | ×2.9 | 20.4% | Possible |
|
Position lamp (front)
Lamps, reflectors and electrical equipment > Position lamps > Position lamp
|
Front | 20 | ×2.2 | 10.0% | Possible |
Only patterns that clear minimum sample and elevation thresholds are shown (at least 20 failures and about 2.0× more often than similar cars).