2021 · 3 years old at test · Petrol mostly

2021 Porsche Cayman MOT pass rate and common faults

453 MOT tests in 2024. 95.8% passed first time, compared with 87.6% for all cars the same age.

109Well above average
Passed first time95.8%
Failed or needed repairs4.2%
Typical mileage at test13,000

Most common reasons for failing

Share of all 453 tests where this item caused a failure.

  1. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.1%
  2. Headlamp aim: too high0.7%
  3. Tread depth below requirements of 1.6mm0.7%
    7 marked dangerous
  4. Tyres - condition: has ply or cords exposed0.7%
    4 marked dangerous
  5. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.4%
    3 marked dangerous
  6. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.2%
  7. Registration plates: does not conform to the specified requirements0.2%
  8. Washers: provides insufficient washer liquid0.2%
  9. Tyres - condition: has a lump, caused by separation or partial failure of its structure0.2%
    1 marked dangerous
  10. Catalyst emissions: Lambda reading after 2nd fast idle outside specified limits0.2%

Problem areas

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

  1. Tyres3.3%
  2. Lights & electrics0.7%
  3. Visibility (wipers, screen, mirrors)0.4%
  4. Number plates & VIN0.2%
  5. Emissions & leaks0.2%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm6.0%
  2. Tyres - condition: has a tear, caused by separation or partial failure of its structure4.2%
  3. Non-component advisories: Nail in tyre3.3%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.1%
  5. Tread depth: tread pattern not visible over the whole tread area when minimum depth required is 1.0mm1.1%

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: tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords. Then look up the car's own MOT history on GOV.UK with its number plate, and look for repeat advisories.

← 2020 CaymanAll Cayman years

Questions

What is the MOT pass rate for a 2021 Porsche Cayman?

In 2024, 95.8% of 2021 Porsche Cayman cars passed their MOT first time, across 453 tests. The average for all 3-year-old cars was 87.6%.

What are the most common MOT failures on a 2021 Porsche Cayman?

The most common failure reasons were tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords; headlamp aim: too high; tread depth below requirements of 1.6mm. The biggest problem area was tyres.

Is the 2021 Porsche Cayman reliable at MOT time?

Its MOT Rank score is 109, which is well above average for a car of its age (100 means exactly average).