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 3,149 of 3,151 failed first attempts (99.9%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.
Standout: Rigid brake pipes (front) — 4.2% of this year's failed first attempts
Recorded on 132 of those tests. It tops the table on elevation — about 7.7× 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 |
|---|---|---|---|---|---|
|
Rigid brake pipes (front)
Brakes > Rigid brake pipes
|
Front | 132 | ×7.7 | 4.2% | Strong |
|
Flexible brake hoses (rear)
Brakes > Flexible brake hoses
|
Rear | 93 | ×4.8 | 3.0% | Likely |
|
Pins and bushes (rear)
Suspension > Suspension arms > Pins and bushes
|
Rear | 138 | ×4.6 | 4.4% | Likely |
|
Parking brake performance (rear)
Brakes > Brake performance > Parking brake performance > Rbt > Parking brake performance
|
Rear | 126 | ×2.9 | 4.0% | Possible |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 416 | ×2.2 | 13.2% | Possible |
|
Exhaust system (front)
Body, chassis, structure > Exhaust system
|
Front | 68 | ×2.1 | 2.2% | Possible |
|
Individual direction indicators (rear)
Lamps, reflectors and electrical equipment > Direction indicators > Flashing type > Individual direction indicators
|
Rear | 134 | ×2.1 | 4.3% | Possible |
|
Linkage ball joints (front)
Suspension > Anti-roll bars > Linkage ball joints
|
Front | 222 | ×2.1 | 7.0% | Possible |
|
Ball joint (front)
Suspension > Anti-roll bars > Ball joint
|
Front | 65 | ×2.1 | 2.1% | 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).