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Bentley Type s vs Bentley Unknown: reliability comparison

MOT pass rates, common faults and mileage compared from real UK MOT data.

Bentley Type s
67%
MOT pass rate · 1 vehicles
Bentley Unknown
90%
MOT pass rate · 9,548 vehicles
Verdict: On MOT pass rate the Bentley Type s (67%) and Bentley Unknown (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Bentley Type s Bentley Unknown
MOT pass rate 67% 90% ✓
MOT failure rate 33% 10% ✓
Faults & advisories per test 2.2 0.9 ✓
Dangerous-fault share 0% ✓ 7%
Average mileage 85,947 mi 34,409 mi
Sample size (vehicles) 1 9,548

Most common faults

Bentley Type s

  1. Nearside Front Mechanical brake component has restricted free movement (3.5.1k)
  2. Nearside Front Shock absorber has negligible damping effect (2.7.5)
  3. Evidence of wear in nearside front outer top bush/pin.
  4. Front Body has a sharp edge caused by corrosion (6.1.C.1)
  5. Nearside Front Lower Body or chassis has excessive corrosion, seriously affecting its strength within 30cm of the body mountings (6.1.B.2)
  6. Nearside rear suspension unit damp.

Bentley Unknown

  1. COVID-19 6 MONTH EXTENSION
  2. Parking brake efficiency less than 50% of the required value (1.4.2 (a) (ii))
  3. Parking brake: efficiency below requirements (3.7.B.7)
  4. Windscreen washer provides insufficient washer liquid (8.2.3)
  5. Oil leak
  6. Offside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Reliability FAQ

On MOT pass rate the Bentley Type s (67%) and Bentley Unknown (90%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Bentley Type s report Full Bentley Unknown 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.