2008 · 16 years old at test · Petrol mostly

2008 Porsche Cayenne MOT pass rate and common faults

586 MOT tests in 2024. 74.4% passed first time, compared with 56.9% for all cars the same age.

131Well above average
Passed first time74.4%
Failed or needed repairs25.6%
Typical mileage at test105,000

Most common reasons for failing

Share of all 586 tests where this item caused a failure.

  1. Headlamp: not working on dipped beam2.0%
  2. Tread depth below requirements of 1.6mm2.0%
    15 marked dangerous
  3. Malfunction indicator lamp: inoperative or indicates a malfunction1.7%
  4. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.5%
  5. Headlamp aim: too low1.4%
  6. Tyres - condition: has a bulge, caused by separation or partial failure of its structure1.4%
    9 marked dangerous
  7. Tyres - condition: has ply or cords exposed1.4%
    9 marked dangerous
  8. Headlamp aim: projected beam image is obviously incorrect1.4%
  9. Rbt (sp): efficiency below requirements1.2%
  10. Coil spring: fractured or broken1.2%

Problem areas

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

  1. Lights & electrics16.9%
  2. Tyres7.7%
  3. Brakes6.0%
  4. Suspension4.3%
  5. Emissions & leaks4.1%
  6. Visibility (wipers, screen, mirrors)3.4%
  7. Body & chassis2.0%
  8. Seat belts & airbags1.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm12.5%
  2. Brake discs: in such a condition that it is seriously weakened8.0%
  3. Brake pads: less than 1.5 mm thick6.1%
  4. Tyres - condition: has a tear, caused by separation or partial failure of its structure4.6%
  5. Flexible brake hoses: excessively deteriorated4.3%

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: headlamp: not working on dipped beam. 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 2008 Porsche Cayenne?

In 2024, 74.4% of 2008 Porsche Cayenne cars passed their MOT first time, across 586 tests. The average for all 16-year-old cars was 56.9%.

What are the most common MOT failures on a 2008 Porsche Cayenne?

The most common failure reasons were headlamp: not working on dipped beam; tread depth below requirements of 1.6mm; malfunction indicator lamp: inoperative or indicates a malfunction. The biggest problem area was lights & electrics.

Is the 2008 Porsche Cayenne reliable at MOT time?

Its MOT Rank score is 131, which is well above average for a car of its age (100 means exactly average).