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Porsche Boxster vs Porsche Cayenne tiptroni: reliability comparison

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

Porsche Boxster
83%
MOT pass rate · 46,488 vehicles
Porsche Cayenne tiptroni
67%
MOT pass rate · 4 vehicles
Verdict: On MOT pass rate the Porsche Boxster (83%) and Porsche Cayenne tiptroni (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Porsche Boxster Porsche Cayenne tiptroni
MOT pass rate 83% ✓ 67%
MOT failure rate 17% ✓ 33%
Faults & advisories per test 1.4 0.7 ✓
Dangerous-fault share 1% 0% ✓
Average mileage 74,547 mi 41,991 mi
Sample size (vehicles) 46,488 4

Most common faults

Porsche Boxster

  1. Nearside Rear Tyre worn close to the legal limit (4.1.E.1)
  2. Offside Rear Tyre worn close to the legal limit (4.1.E.1)
  3. Under-trays fitted obscuring some underside components
  4. Nearside Front Tyre worn close to the legal limit (4.1.E.1)
  5. Offside Front Tyre worn close to the legal limit (4.1.E.1)
  6. Nearside Rear Tyre worn close to legal limit/worn on edge (5.2.3 (e))

Porsche Cayenne tiptroni

  1. centre rear seat belt cut . part of belt missing
  2. Nearside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  3. Offside Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  4. Front Brake pad(s) wearing thin (3.5.1g)
  5. Registration plate lamp not working (1.1.C.1d)

Reliability FAQ

On MOT pass rate the Porsche Boxster (83%) and Porsche Cayenne tiptroni (67%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche Boxster report Full Porsche Cayenne tiptroni 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.