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Porsche 944 aut vs Porsche Cayenne: reliability comparison

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

Porsche 944 aut
83%
MOT pass rate · 2 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 944 aut (83%) 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 944 aut Porsche Cayenne
MOT pass rate 83% 84% ✓
MOT failure rate 17% 16% ✓
Faults & advisories per test 2.5 1.2 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 42,634 mi 87,610 mi
Sample size (vehicles) 2 40,483

Most common faults

Porsche 944 aut

  1. Offside front brake grabbing slightly (3.7.A.2b)
  2. BOTH REAR DRIVE SHAFTS - INNER GAITERS SPLIT
  3. Brake pipe slightly corroded (3.6.B.2c)
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  6. Brake master cylinder fluid close to minimum level (3.6.G.1e)

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 944 aut (83%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 944 aut 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.