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Bentley Bentayga vs Bentley Mk 6 saloon: 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 Mk 6 saloon
55%
MOT pass rate · 2 vehicles
Verdict: On MOT pass rate the Bentley Bentayga (95%) and Bentley Mk 6 saloon (55%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bentley Bentayga Bentley Mk 6 saloon
MOT pass rate 95% ✓ 55%
MOT failure rate 5% ✓ 45%
Faults & advisories per test 0.4 ✓ 1.4
Dangerous-fault share 4% 0% ✓
Average mileage 41,382 mi 58,097 mi
Sample size (vehicles) 3,152 2

Most common faults

Bentley Bentayga

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  4. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  5. Rear Brake pad(s) wearing thin (1.1.13 (a) (ii))
  6. COVID-19 6 MONTH EXTENSION

Bentley Mk 6 saloon

  1. Windscreen washer provides insufficient washer liquid (8.2.3)
  2. Nearside Rear Shock absorber has a light misting of oil (2.7.3)
  3. Offside Front Drag link end ball joint has excessive play (2.2.B.1f)
  4. Offside Outer Track rod end ball joint has excessive play (2.2.B.1f)
  5. Offside Rear Shock absorber has a light misting of oil (2.7.3)
  6. nearside headlight output poor

Reliability FAQ

On MOT pass rate the Bentley Bentayga (95%) and Bentley Mk 6 saloon (55%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bentley Bentayga report Full Bentley Mk 6 saloon 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.