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Porsche 944 auto vs Porsche Boxster: reliability comparison

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

Porsche 944 auto
64%
MOT pass rate · 438 vehicles
Porsche Boxster
83%
MOT pass rate · 46,488 vehicles
Verdict: On MOT pass rate the Porsche 944 auto (64%) 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 944 auto Porsche Boxster
MOT pass rate 64% 83% ✓
MOT failure rate 36% 17% ✓
Faults & advisories per test 2.6 1.4 ✓
Dangerous-fault share 0% ✓ 1%
Average mileage 79,883 mi 74,547 mi
Sample size (vehicles) 438 46,488

Most common faults

Porsche 944 auto

  1. Windscreen washer provides insufficient washer liquid (8.2.3)
  2. Parking brake: efficiency below requirements (3.7.B.7)
  3. Exhaust emissions carbon monoxide content excessive (7.3.B.1a)
  4. Offside Rear fog lamp not working (1.3.2b)
  5. Brakes imbalanced across an axle (3.7.B.5b)
  6. Offside Rear Brake pipe excessively corroded (3.6.B.2c)

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 944 auto (64%) and Porsche Boxster (83%) are very close — weigh the individual measures below, and remember condition depends on age, mileage and upkeep.

Full Porsche 944 auto 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.