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Porsche Cayenne vs Porsche Taycan turbo sport turismo: reliability comparison

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

Porsche Cayenne
84%
MOT pass rate · 40,483 vehicles
Porsche Taycan turbo sport turismo
87%
MOT pass rate · 227 vehicles
Verdict: On MOT pass rate the Porsche Cayenne (84%) and Porsche Taycan turbo sport turismo (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Porsche Cayenne Porsche Taycan turbo sport turismo
MOT pass rate 84% 87% ✓
MOT failure rate 16% 13% ✓
Faults & advisories per test 1.2 0.5 ✓
Dangerous-fault share 3% ✓ 26%
Average mileage 87,610 mi 23,376 mi
Sample size (vehicles) 40,483 227

Most common faults

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))

Porsche Taycan turbo sport turismo

  1. Nearside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  2. Offside Front Tyre worn close to legal limit/worn on edge (5.2.3 (e))
  3. full length undertrays fitted
  4. Offside Front Tyre worn close to legal limit/worn on edge worn on inner edge (5.2.3 (e))
  5. Offside Lower Windscreen chipped in lower RH area, not greater than 40mm in darkened area of screen / not in drivers view of road.
  6. Offside Front Tyre has a bulge, caused by separation or partial failure of its structure (5.2.3 (d) (ii))

Reliability FAQ

On MOT pass rate the Porsche Cayenne (84%) and Porsche Taycan turbo sport turismo (87%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche Cayenne report Full Porsche Taycan turbo sport turismo 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.