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 2,781 of 2,783 failed first attempts (99.9%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.
Standout: Ball joint (front) — 34.7% of this year's failed first attempts
Recorded on 964 of those tests. It tops the table on elevation — about 5.6× more often than on similar cars of the same age and mileage. On this year it is also the commonest failure, so it answers both questions at once. The full ranked list is in the table below.
| Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|
|
Suspension arm (rear)
Suspension > Suspension arms > Suspension arm
|
Rear | 57 | ×7.5 | 2.0% | Likely |
|
Ball joint (front)
Suspension > Suspension arms > Ball joint
|
Front | 964 | ×5.6 | 34.7% | Strong |
|
Ball joint (front)
Suspension > Anti-roll bars > Ball joint
|
Front | 59 | ×3.6 | 2.1% | Likely |
|
Rigid brake pipes (rear)
Brakes > Rigid brake pipes
|
Rear | 62 | ×3.0 | 2.2% | Likely |
|
Linkage ball joints (front)
Suspension > Anti-roll bars > Linkage ball joints
|
Front | 169 | ×3.0 | 6.1% | Likely |
|
Pins and bushes (front)
Suspension > Suspension arms > Pins and bushes
|
Front | 274 | ×2.2 | 9.9% | Possible |
|
Malfunction indicator lamp
Noise, emissions and leaks > Exhaust emissions > Compression ignition > Malfunction indicator lamp
|
Any | 190 | ×2.2 | 6.8% | Possible |
|
Position lamp (rear)
Lamps, reflectors and electrical equipment > Position lamps > Position lamp
|
Rear | 78 | ×2.0 | 2.8% | 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).