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 2,426 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Shock absorbers (front) — 23.0% of this year's failed first attempts
Recorded on 558 of those tests. It tops the table on elevation — about 17× 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 |
|---|---|---|---|---|---|
|
Pins and bushes (front)
Suspension > Macpherson strut > Pins and bushes
|
Front | 59 | ×21 | 2.4% | Likely |
|
Shock absorbers (front)
Suspension > Shock absorbers
|
Front | 558 | ×17 | 23.0% | Strong |
|
Macpherson strut (front)
Suspension > Macpherson strut > Macpherson strut
|
Front | 52 | ×10 | 2.1% | Likely |
|
Track rod end (front)
Steering > Steering linkage components > Track rod end
|
Front | 541 | ×7.7 | 22.3% | Strong |
|
Electronic stability control
Brakes > ABS / EBS / ESC > Electronic stability control
|
Any | 129 | ×7.0 | 5.3% | Strong |
|
Rear fog lamp
Lamps, reflectors and electrical equipment > Front and rear fog lamps > Rear fog lamp > Rear fog lamp
|
Any | 53 | ×3.2 | 2.2% | Likely |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 357 | ×2.9 | 14.7% | Possible |
|
Malfunction indicator lamp
Noise, emissions and leaks > Exhaust emissions > Spark ignition > Malfunction indicator lamp
|
Any | 178 | ×2.8 | 7.3% | 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).