2005 · 19 years old at test · Petrol mostly

2005 Porsche Cayman MOT pass rate and common faults

157 MOT tests in 2024. 79.6% passed first time, compared with 56.5% for all cars the same age.

141Well above average
Passed first time79.6%
Failed or needed repairs20.4%
Typical mileage at test81,000

Most common reasons for failing

Share of all 157 tests where this item caused a failure.

  1. Coil spring: fractured or broken3.2%
  2. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits3.2%
  3. Headlamp: not working on dipped beam1.9%
  4. Position lamp: not working1.9%
  5. Rbt (sp): efficiency below requirements1.9%
  6. Stop lamp: not working1.9%
  7. Tread depth below requirements of 1.6mm1.9%
    5 marked dangerous
  8. Catalyst emissions: carbon monoxide content after 2nd fast idle exceeds manufacturer's specified limits1.3%
  9. Headlamp aim: projected beam image is obviously incorrect1.3%
  10. Shock absorbers: has a serious fluid leak1.3%

Problem areas

Failure items found per 100 tests, by part of the car.

  1. Lights & electrics12.1%
  2. Suspension7.0%
  3. Emissions & leaks6.4%
  4. Brakes5.7%
  5. Tyres3.2%
  6. Steering1.3%
  7. Visibility (wipers, screen, mirrors)1.3%
  8. Seat belts & airbags0.6%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Rigid brake pipes: excessively corroded19.7%
  2. Brake discs: in such a condition that it is seriously weakened12.1%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure11.5%
  4. Tread depth below requirements of 1.6mm8.9%
  5. Suspension arms - ball joint: ball joint excessively worn7.6%

What this means if you are buying one

This model year does better than most cars its age, so it is a reasonable used buy on MOT record alone. Before buying, check the area that fails most: coil spring: fractured or broken. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

All Cayman years2006 Cayman →

Questions

What is the MOT pass rate for a 2005 Porsche Cayman?

In 2024, 79.6% of 2005 Porsche Cayman cars passed their MOT first time, across 157 tests. The average for all 19-year-old cars was 56.5%.

What are the most common MOT failures on a 2005 Porsche Cayman?

The most common failure reasons were coil spring: fractured or broken; catalyst emissions: lambda reading after 2nd fast idle outside specified limits; headlamp: not working on dipped beam. The biggest problem area was lights & electrics.

Is the 2005 Porsche Cayman reliable at MOT time?

Its MOT Rank score is 141, which is well above average for a car of its age (100 means exactly average).