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 4,743 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Parking brake control — Lever — 6.1% of this year's failed first attempts
Recorded on 289 of those tests. It tops the table on elevation — about 11× more often than on similar cars of the same age and mileage. That is what makes it unusual for its class, which is a different question from what is most likely to fail; the buying checklist ranks by that. The full ranked list is in the table below.
| Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|
|
Parking brake control — Lever
Brakes > Parking brake control > Lever
|
Any | 289 | ×11 | 6.1% | Strong |
|
Hand lever
Brakes > Service brake pedal or hand lever > Hand lever
|
Any | 165 | ×11 | 3.5% | Strong |
|
Pins and bushes (rear)
Suspension > Suspension arms > Pins and bushes
|
Rear | 172 | ×10 | 3.6% | Strong |
|
Anti-lock braking system
Brakes > ABS / EBS / ESC > Anti-lock braking system
|
Any | 326 | ×9.9 | 6.9% | Strong |
|
Parking brake performance (rear)
Brakes > Brake performance > Parking brake performance > Rbt > Parking brake performance
|
Rear | 169 | ×7.5 | 3.6% | Strong |
|
Rbt (sp)
Brakes > Brake performance > Parking brake efficiency (sp) > Rbt (sp)
|
Any | 530 | ×5.1 | 11.2% | Strong |
|
Catalyst emissions
Noise, emissions and leaks > Exhaust emissions > Spark ignition > Catalyst emissions
|
Any | 432 | ×4.7 | 9.1% | Likely |
|
Electronic stability control
Brakes > ABS / EBS / ESC > Electronic stability control
|
Any | 162 | ×4.5 | 3.4% | Likely |
Only patterns that clear minimum sample and elevation thresholds are shown (at least 20 failures and about 2.0× more often than similar cars).