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 1,253 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Coil spring (front) — 36.5% of this year's failed first attempts
Recorded on 457 of those tests. It tops the table on elevation — about 6.9× 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 |
|---|---|---|---|---|---|
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 457 | ×6.9 | 36.5% | Strong |
|
Ball joint dust cover (front)
Suspension > Anti-roll bars > Ball joint dust cover
|
Front | 27 | ×5.3 | 2.2% | Possible |
|
Linkage ball joint dust cover (front)
Suspension > Anti-roll bars > Linkage ball joint dust cover
|
Front | 55 | ×4.9 | 4.4% | Likely |
|
Position lamp (rear)
Lamps, reflectors and electrical equipment > Position lamps > Position lamp
|
Rear | 47 | ×3.5 | 3.8% | Likely |
|
Pins and bushes (front)
Suspension > Suspension arms > Pins and bushes
|
Front | 131 | ×2.7 | 10.5% | 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).