2017 · 7 years old at test · Petrol mostly

2017 Porsche Cayman MOT pass rate and common faults

894 MOT tests in 2024. 92.0% passed first time, compared with 79.8% for all cars the same age.

115Well above average
Passed first time92.0%
Failed or needed repairs8.1%
Typical mileage at test30,000

Most common reasons for failing

Share of all 894 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm2.1%
    36 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.2%
  3. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.7%
    7 marked dangerous
  4. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.7%
  5. Shock absorbers: has a serious fluid leak0.4%
  6. Registration plates: does not conform to the specified requirements0.3%
  7. Tyres - condition: has ply or cords exposed0.3%
    7 marked dangerous
  8. Washers: not working0.3%
  9. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm0.2%
    2 marked dangerous

Problem areas

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

  1. Tyres5.5%
  2. Lights & electrics1.2%
  3. Visibility (wipers, screen, mirrors)0.8%
  4. Brakes0.8%
  5. Suspension0.7%
  6. Number plates & VIN0.3%
  7. Emissions & leaks0.3%
  8. Seat belts & airbags0.3%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm10.2%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure5.7%
  3. Brake discs: in such a condition that it is seriously weakened3.0%
  4. Non-component advisories: Nail in tyre1.7%
  5. Brake pads: less than 1.5 mm thick1.7%

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: tread depth below requirements of 1.6mm. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

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Questions

What is the MOT pass rate for a 2017 Porsche Cayman?

In 2024, 92.0% of 2017 Porsche Cayman cars passed their MOT first time, across 894 tests. The average for all 7-year-old cars was 79.8%.

What are the most common MOT failures on a 2017 Porsche Cayman?

The most common failure reasons were tread depth below requirements of 1.6mm; tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; tyres - condition: has a bulge, caused by separation or partial failure of its structure. The biggest problem area was tyres.

Is the 2017 Porsche Cayman reliable at MOT time?

Its MOT Rank score is 115, which is well above average for a car of its age (100 means exactly average).