2018 · 6 years old at test · Petrol mostly

2018 Porsche Cayenne MOT pass rate and common faults

1,866 MOT tests in 2024. 87.0% passed first time, compared with 82.5% for all cars the same age.

105Above average
Passed first time87.0%
Failed or needed repairs13.0%
Typical mileage at test49,000

Most common reasons for failing

Share of all 1,866 tests where this item caused a failure.

  1. Coil spring: fractured or broken1.7%
  2. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords1.7%
  3. Tread depth below requirements of 1.6mm1.3%
    39 marked dangerous
  4. Tyres - condition: has ply or cords exposed1.1%
    31 marked dangerous
  5. Tyres - condition: has a bulge, caused by separation or partial failure of its structure0.9%
    22 marked dangerous
  6. Malfunction indicator lamp: inoperative or indicates a malfunction0.9%
  7. Registration plates: does not conform to the specified requirements0.7%
  8. Brake pads: less than 1.5 mm thick0.6%
    27 marked dangerous
  9. Headlamp aim: too high0.5%
  10. Wipers: does not clear the windscreen effectively0.5%

Problem areas

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

  1. Tyres6.3%
  2. Suspension2.4%
  3. Brakes1.9%
  4. Lights & electrics1.7%
  5. Visibility (wipers, screen, mirrors)1.4%
  6. Emissions & leaks1.1%
  7. Number plates & VIN0.9%
  8. Body & chassis0.4%

Most common advisories

Not failures yet, but things the tester warned about.

  1. Tread depth below requirements of 1.6mm10.8%
  2. Brake pads: less than 1.5 mm thick9.3%
  3. Tyres - condition: has a tear, caused by separation or partial failure of its structure4.0%
  4. Non-component advisories: Child Seat fitted not allowing full inspection of adult belt2.9%
  5. Tyres - condition: has a cut in excess of the requirements deep enough to reach the ply or cords2.7%

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: coil spring: fractured or broken. 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 2018 Porsche Cayenne?

In 2024, 87.0% of 2018 Porsche Cayenne cars passed their MOT first time, across 1,866 tests. The average for all 6-year-old cars was 82.5%.

What are the most common MOT failures on a 2018 Porsche Cayenne?

The most common failure reasons were coil spring: fractured or broken; 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. The biggest problem area was tyres.

Is the 2018 Porsche Cayenne reliable at MOT time?

Its MOT Rank score is 105, which is above average for a car of its age (100 means exactly average).