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Porsche 912 e vs Porsche Cayenne: reliability comparison

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

Porsche 912 e
69%
MOT pass rate · 3 vehicles
Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Verdict: On MOT pass rate the Porsche 912 e (69%) 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 912 e Porsche Cayenne
MOT pass rate 69% 84% ✓
MOT failure rate 31% 16% ✓
Faults & advisories per test 2.7 1.2 ✓
Dangerous-fault share 0% ✓ 3%
Average mileage 139,179 mi 87,610 mi
Sample size (vehicles) 3 40,483

Most common faults

Porsche 912 e

  1. Oil leak, but not excessive (8.4.1 (a) (i))
  2. Nearside Stop lamp not working (1.2.1b)
  3. Nearside Rear Upper Anti-roll bar has slight play in a pin/bush (2.4.G.2)
  4. Nearside Rear hub seal weeping
  5. Offside Front Direction indicator lens defective which has no effect on emitted light (4.4.1 (b) (i))
  6. Offside Rear Anti-roll bar linkage pin or bush worn but not resulting in excessive movement (5.3.4 (a) (i))

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 912 e (69%) and Porsche Cayenne (84%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 912 e 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.