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Porsche 911 black edition s-a vs Porsche Cayenne: reliability comparison

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

Porsche 911 black edition s-a
100%
MOT pass rate · 14 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 911 black edition s-a (100%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Porsche 911 black edition s-a Porsche Cayenne
MOT pass rate 100% ✓ 84%
MOT failure rate 0% ✓ 16%
Faults & advisories per test 1.9 1.2 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 32,923 mi 87,610 mi
Sample size (vehicles) 14 40,483

Most common faults

Porsche 911 black edition s-a

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Front Brake disc worn, pitted or scored, but not seriously weakened (1.1.14 (a) (ii))
  3. Nearside Front Tyre slightly damaged/cracking or perishing (5.2.3 (d) (ii))
  4. plastic under shields fitted restricting inspection of some components
  5. Plastic under trays
  6. Front Inner Brake disc worn, pitted or scored, but not seriously weakened corroded (1.1.14 (a) (ii))

Porsche Cayenne

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

Reliability FAQ

On MOT pass rate the Porsche 911 black edition s-a (100%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 911 black edition s-a report Full Porsche Cayenne 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.