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 1,701 of 1,706 failed first attempts (99.7%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.
Standout: Load sensing valves (rear) — 3.9% of this year's failed first attempts
Recorded on 67 of those tests. It tops the table on elevation — about 14× 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.
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 |
|---|---|---|---|---|---|
|
Load sensing valves (rear)
Brakes > Load sensing valves
|
Rear | 67 | ×14 | 3.9% | Likely |
|
Position lamp (rear)
Lamps, reflectors and electrical equipment > Position lamps > Position lamp
|
Rear | 225 | ×3.9 | 13.2% | Likely |
|
Exhaust system (front)
Body, chassis, structure > Exhaust system
|
Front | 49 | ×3.5 | 2.9% | Likely |
|
Linkage ball joints (front)
Suspension > Anti-roll bars > Linkage ball joints
|
Front | 86 | ×2.9 | 5.1% | Possible |
|
Individual direction indicators (rear)
Lamps, reflectors and electrical equipment > Direction indicators > Flashing type > Individual direction indicators
|
Rear | 79 | ×2.9 | 4.6% | Possible |
|
Side repeaters
Lamps, reflectors and electrical equipment > Direction indicators > Flashing type > Side repeaters
|
Any | 65 | ×2.8 | 3.8% | Possible |
|
Ball joint (front)
Suspension > Suspension arms > Ball joint
|
Front | 154 | ×2.3 | 9.1% | Possible |
|
Service brake imbalance (rear)
Brakes > Brake performance > Service Brake Efficiency (sp) > Rbt (sp) > Service brake imbalance
|
Rear | 118 | ×2.2 | 6.9% | Possible |
|
Exhaust system (rear)
Body, chassis, structure > Exhaust system
|
Rear | 104 | ×2.1 | 6.1% | Possible |
|
Stop lamp
Lamps, reflectors and electrical equipment > Stop lamp
|
Any | 216 | ×2.0 | 12.7% | 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).