2021 · 3 years old at test · Petrol mostly

2021 Porsche Cayenne MOT pass rate and common faults

1,554 MOT tests in 2024. 93.2% passed first time, compared with 87.6% for all cars the same age.

106Above average
Passed first time93.2%
Failed or needed repairs6.8%
Typical mileage at test25,000

Most common reasons for failing

Share of all 1,554 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 cords2.0%
  2. Tread depth below requirements of 1.6mm0.8%
    28 marked dangerous
  3. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.8%
    17 marked dangerous
  4. Tyres - condition: has ply or cords exposed0.6%
    21 marked dangerous
  5. Tyres - condition: has a lump, caused by separation or partial failure of its structure0.4%
    10 marked dangerous
  6. Registration plates: does not conform to the specified requirements0.3%
  7. Headlamp aim: too high0.3%
  8. Headlamp aim: too low0.2%
  9. Tyre pressure monitoring system: malfunctioning or obviously inoperative0.1%
  10. Washers: provides insufficient washer liquid0.1%

Problem areas

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

  1. Tyres5.0%
  2. Lights & electrics0.6%
  3. Brakes0.6%
  4. Number plates & VIN0.5%
  5. Visibility (wipers, screen, mirrors)0.3%
  6. Emissions & leaks0.2%
  7. Seat belts & airbags0.1%
  8. Suspension0.1%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm10.8%
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords4.1%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure3.2%
  4. Non-component advisories: Nail in tyre3.1%
  5. Brake pads: less than 1.5 mm thick3.0%

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 CayenneAll Cayenne years

Questions

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

In 2024, 93.2% of 2021 Porsche Cayenne cars passed their MOT first time, across 1,554 tests. The average for all 3-year-old cars was 87.6%.

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

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

Is the 2021 Porsche Cayenne reliable at MOT time?

Its MOT Rank score is 106, which is above average for a car of its age (100 means exactly average).