2020 · 4 years old at test · Petrol mostly

2020 Porsche Cayman MOT pass rate and common faults

457 MOT tests in 2024. 95.2% passed first time, compared with 86.9% for all cars the same age.

110Well above average
Passed first time95.2%
Failed or needed repairs4.8%
Typical mileage at test16,000

Most common reasons for failing

Share of all 457 tests where this item caused a failure.

  1. Tread depth below requirements of 1.6mm1.1%
    14 marked dangerous
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords0.9%
  3. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.7%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure0.4%
    7 marked dangerous
  5. Wipers: does not clear the windscreen effectively0.4%
  6. Registration plates: does not conform to the specified requirements0.4%
  7. Washers: provides insufficient washer liquid0.4%
  8. Headlamp aim: too high0.2%
  9. Fuel cap/sealing device: missing0.2%
  10. Electronic stability control: warning lamp indicates a fault0.2%

Problem areas

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

  1. Tyres3.3%
  2. Visibility (wipers, screen, mirrors)1.1%
  3. Lights & electrics1.1%
  4. Number plates & VIN0.4%
  5. Body & chassis0.2%
  6. Brakes0.2%
  7. Seat belts & airbags0.2%
  8. Emissions & leaks0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm7.9%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure4.8%
  3. Non-component advisories: Nail in tyre1.8%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.3%
  5. Brake pads: less than 1.5 mm thick0.9%

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 2020 Porsche Cayman?

In 2024, 95.2% of 2020 Porsche Cayman cars passed their MOT first time, across 457 tests. The average for all 4-year-old cars was 86.9%.

What are the most common MOT failures on a 2020 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; tyre pressure monitoring system: malfunctioning or obviously inoperative. The biggest problem area was tyres.

Is the 2020 Porsche Cayman reliable at MOT time?

Its MOT Rank score is 110, which is well above average for a car of its age (100 means exactly average).