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Porsche 911 carrear vs Porsche Cayenne: reliability comparison

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

Porsche 911 carrear
73%
MOT pass rate · 1 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 911 carrear (73%) 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 carrear Porsche Cayenne
MOT pass rate 73% 84% ✓
MOT failure rate 27% 16% ✓
Faults & advisories per test 1.1 ✓ 1.2
Dangerous-fault share 0% ✓ 3%
Average mileage 39,480 mi 87,610 mi
Sample size (vehicles) 1 40,483

Most common faults

Porsche 911 carrear

  1. Offside Front wheel bearing has slight play (2.5.A.3c)
  2. Offside Rear Anti-roll bar linkage has slight play in a ball joint (2.4.G.2)
  3. Front Windscreen washer provides insufficient washer liquid (8.2.3)
  4. Offside Rear Suspension component mounting prescribed area is excessively corroded (2.4.A.3)
  5. Nearside Front wheel bearing has slight play (2.5.A.3c)
  6. OIL LEAK FROM ENGINE

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 carrear (73%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 911 carrear 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.