Bentley Bentayga vs Bentley Mulsanne speed v8 auto: 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 Mulsanne speed v8 auto
100%
MOT pass rate · 104 vehicles
Verdict: On MOT pass rate the Bentley Bentayga (95%) and Bentley Mulsanne speed v8 auto (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Head to head
| Measure | Bentley Bentayga | Bentley Mulsanne speed v8 auto |
|---|---|---|
| MOT pass rate | 95% | 100% ✓ |
| MOT failure rate | 5% | 0% ✓ |
| Faults & advisories per test | 0.4 | 0.0 ✓ |
| Dangerous-fault share | 4% | — ✓ |
| Average mileage | 41,382 mi | 25,407 mi |
| Sample size (vehicles) | 3,152 | 104 |
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 Mulsanne speed v8 auto
No fault breakdown available.
Reliability FAQ
On MOT pass rate the Bentley Bentayga (95%) and Bentley Mulsanne speed v8 auto (100%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.
Full Bentley Bentayga report Full Bentley Mulsanne speed v8 auto 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.