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 343 of 346 failed first attempts (99.1%) that recorded an odometer reading in 2025 — the subset the age-and-mileage comparison can be computed on.
Standout: Seat belts — Condition (rear) — 6.1% of this year's failed first attempts
Recorded on 21 of those tests. It tops the table on elevation — about 10× more often than on similar cars of the same age and mileage. The full ranked list is in the table below.
No patterns met the strongest callout thresholds on this page; showing the highest-lift rows that still cleared the display floors.
| Fault pattern | Location | Failures | vs similar cars | Share of fails | Confidence |
|---|---|---|---|---|---|
|
Seat belts — Condition (rear)
Seat belts and supplementary restraint systems > Seat belts > Condition
|
Rear | 21 | ×10 | 6.1% | Possible |
|
Linkage pins and bushes (front)
Suspension > Anti-roll bars > Linkage pins and bushes
|
Front | 20 | ×8.4 | 5.8% | Possible |
|
Coil spring (front)
Suspension > Springs > Coil springs > Coil spring
|
Front | 22 | ×5.1 | 6.4% | Possible |
|
Steering rack (front)
Steering > Steering gear > Steering rack
|
Front | 25 | ×4.9 | 7.3% | Possible |
|
Registration plate lamp(s)
Lamps, reflectors and electrical equipment > Registration plate lamp(s)
|
Any | 32 | ×3.8 | 9.3% | Likely |
|
Drive shafts — Joints (front)
Body, chassis, structure > Transmission > Drive shafts > Joints
|
Front | 38 | ×2.3 | 11.1% | 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).