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 498 failed first attempts in 2025 that the age-and-mileage comparison can be computed on.
Standout: Coil spring (front) — 23.7% of this year's failed first attempts
Recorded on 118 of those tests. It tops the table on elevation — about 5.2× 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 |
|---|---|---|---|---|---|
|
Pedal
Brakes > Service brake pedal or hand lever > Pedal
|
Any | 21 | ×10.0 | 4.2% | Possible |
|
Shock absorbers (rear)
Suspension > Shock absorbers
|
Rear | 82 | ×7.9 | 16.5% | Likely |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 118 | ×5.2 | 23.7% | Strong |
|
Position lamp (rear)
Lamps, reflectors and electrical equipment > Position lamps > Position lamp
|
Rear | 20 | ×2.7 | 4.0% | Possible |
|
Visibility — Wipers
Visibility > Wipers
|
Any | 35 | ×2.7 | 7.0% | Possible |
|
Shock absorbers (front)
Suspension > Shock absorbers
|
Front | 26 | ×2.4 | 5.2% | Possible |
|
Registration plate lamp(s)
Lamps, reflectors and electrical equipment > Registration plate lamp(s)
|
Any | 39 | ×2.4 | 7.8% | Possible |
|
Visibility — Washers
Visibility > Washers
|
Any | 51 | ×2.1 | 10.2% | 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).