Bentley Unknown vs Bentley Vanden plas tourer: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bentley Unknown
90%
MOT pass rate · 9,548 vehicles
Bentley Vanden plas tourer
86%
MOT pass rate · 1 vehicles
Verdict: On MOT pass rate the Bentley Unknown (90%) and Bentley Vanden plas tourer (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bentley Unknown | Bentley Vanden plas tourer |
|---|---|---|
| MOT pass rate | 90% ✓ | 86% |
| MOT failure rate | 10% ✓ | 14% |
| Faults & advisories per test | 0.9 | 0.9 |
| Dangerous-fault share | 7% | 0% ✓ |
| Average mileage | 34,409 mi | — |
| Sample size (vehicles) | 9,548 | 1 |
Most common faults
Bentley Unknown
- COVID-19 6 MONTH EXTENSION
- Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))
- Parking brake: efficiency below requirements (3.7.B.7)
- Windscreen washer provides insufficient washer liquid (8.2.3)
- Oil leak
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
Bentley Vanden plas tourer
- Brakes imbalanced across an axle (3.7.B.5b)
- Exhaust has a major leak of exhaust gases (7.1.2)
- Lift nearside kingpin.
- Offside Front Tyre has a cut in excess of the requirements deep enough to reach the ply or cords (4.1.D.1a)
- Offside Front front brake grabbing severely (3.7.A.2b)
- nearside front tyre worn low
Reliability FAQ
On MOT pass rate the Bentley Unknown (90%) and Bentley Vanden plas tourer (86%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bentley Unknown report Full Bentley Vanden plas tourer report Most reliable cars
Pass rates are computed over completed (pass/fail) MOT tests. Reliability also depends on age, mileage and upkeep — see each model's page for the full picture.