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 3,153 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Shock absorbers (front) — 24.1% of this year's failed first attempts
Recorded on 759 of those tests. It tops the table on elevation — about 15× 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 |
|---|---|---|---|---|---|
|
Sub-frame (front)
Suspension > Sub-frames > Sub-frame
|
Front | 76 | ×18 | 2.4% | Likely |
|
Shock absorbers (front)
Suspension > Shock absorbers
|
Front | 759 | ×15 | 24.1% | Strong |
|
Macpherson strut (front)
Suspension > Macpherson strut > Macpherson strut
|
Front | 91 | ×10 | 2.9% | Likely |
|
Track rod end (front)
Steering > Steering linkage components > Track rod end
|
Front | 742 | ×5.7 | 23.5% | Strong |
|
Rear fog lamp
Lamps, reflectors and electrical equipment > Front and rear fog lamps > Rear fog lamp > Rear fog lamp
|
Any | 92 | ×4.2 | 2.9% | Likely |
|
Electronic stability control
Brakes > ABS / EBS / ESC > Electronic stability control
|
Any | 73 | ×2.9 | 2.3% | Possible |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 458 | ×2.7 | 14.5% | 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).