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Porsche 968 cabriolet a vs Porsche Boxster: reliability comparison

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

Porsche 968 cabriolet a
58%
MOT pass rate · 8 vehicles
Porsche Boxster
83%
MOT pass rate · 46,488 vehicles
Verdict: On MOT pass rate the Porsche 968 cabriolet a (58%) and Porsche Boxster (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Head to head

Measure Porsche 968 cabriolet a Porsche Boxster
MOT pass rate 58% 83% ✓
MOT failure rate 42% 17% ✓
Faults & advisories per test 2.3 1.4 ✓
Dangerous-fault share 0% ✓ 1%
Average mileage 60,409 mi 74,547 mi
Sample size (vehicles) 8 46,488

Most common faults

Porsche 968 cabriolet a

  1. Centre Exhaust has a minor leak of exhaust gases (7.1.2)
  2. Brake pipe slightly corroded (3.6.B.2c)
  3. Nearside Inner Front Tyre worn close to the legal limit (4.1.E.1)
  4. Offside Inner Front Tyre tread depth below requirements of 1.6mm (4.1.E.1)
  5. rear no.plate cracked
  6. registration plate deteriorated (6.3.1d)

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))

Reliability FAQ

On MOT pass rate the Porsche 968 cabriolet a (58%) and Porsche Boxster (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 968 cabriolet a report Full Porsche Boxster 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.