Bentley Bentayga vs Bentley S11: reliability comparison
MOT pass rates, common faults and mileage compared from real UK MOT data.
Bentley Bentayga
95%
MOT pass rate · 3,152 vehicles
Bentley S11
94%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Bentley Bentayga (95%) and Bentley S11 (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bentley Bentayga | Bentley S11 |
|---|---|---|
| MOT pass rate | 95% ✓ | 94% |
| MOT failure rate | 5% ✓ | 6% |
| Faults & advisories per test | 0.4 ✓ | 1.1 |
| Dangerous-fault share | 4% | 0% ✓ |
| Average mileage | 41,382 mi | 66,260 mi |
| Sample size (vehicles) | 3,152 | 2 |
Most common faults
Bentley Bentayga
- Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
- Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
- COVID-19 6 MONTH EXTENSION
Bentley S11
- h/light deflectors fitted slight movement in front suspencion joints
- Nearside Front Shock absorber has a light misting of oil (2.7.3)
- Parking brake: parking brake efficiency only just met. It would appear that the braking system requires adjustment or repair. (3.7.C.1b)
- Washer jets require adjustment
- Front registration plate missing (6.3.1a)
- Nearside Front Seat belt anchorage prescribed area is excessively corroded (5.2.6)
Reliability FAQ
On MOT pass rate the Bentley Bentayga (95%) and Bentley S11 (94%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bentley Bentayga report Full Bentley S11 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.