2008 Porsche Cayenne · 2,463 MOT tests
2008 Porsche Cayenne reliability
2008 Porsche Cayennes fail 21.4% of first MOT tests, 50% fewer MOT fails than the average car its age and mileage, ranking 11 of 19 Cayenne years (2,463 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche Cayennes: 13.8%)
- 21.4%
- first-time fail rate (all Porsche Cayennes: 13.8%)
- fails than cars of the same age and mileage
- 50% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 15
- 103,823
- typical miles at its MOT, aged about 15
- MOT tests, 2022 to 2024
- 2,463
- MOT tests, 2022 to 2024
Year on year
2008 against the years either side
- 2007 cars: 40% fewer MOT fails than the average car its age (the 2008 car does better)
- 2009 cars: 51% fewer MOT fails than the average car its age (the 2008 car does worse)
- Strong point: body, chassis and structure, 78% fewer fails than comparable cars.
- Plates: a 2008 car carries a 57 plate (January–February 2008), or a 08 plate (March–August 2008), or a 58 plate (September–December 2008).
Common problems
What fails on a 2008 Porsche Cayenne
Fail rate by area
- Lights and electrics10.2%
- Tyres5%
- Suspension4%
- Exhaust, emissions and leaks3.6%
- Brakes3.4%
- Windscreen, wipers and mirrors1.9%
- Body, chassis and structure1.6%
Average for cars of the same age and mileage
Top failures
Engine warning light inoperative or lit 1.66%
An engine warning light that is lit or not working can hide faults, so diagnosis is needed before buying.
Coil spring fractured or broken 1.58%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Dipped beam headlamp not working 1.38%
A failed dipped beam makes it hard to see and be seen at night, so the lamp needs fixing before driving.
Tyre tread below 1.6mm 1.3%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Position lamp not working 1.14%
A failed position lamp makes the car harder to see in poor light and is illegal, so it must be repaired.
Headlamp aim set too low 1.1%
Headlamps aimed too low light the road poorly and reduce the driver's view ahead, especially at night.
Common advisories
Tyre worn close to legal limit (10.19%) · Brake disc pitted or scored (5.4%) · Brake pads wearing thin (4.38%) · Tyre slightly damaged or cracking (3.37%) · Suspension arm pin/bush showing wear (2.92%) · Flexible brake hose slightly deteriorated (2.4%)
Other years
Every Porsche Cayenne year
The full picture: Porsche Cayenne reliability. Before you pay for any Porsche Cayenne, a Full Check (£9.99) shows finance, stolen and write-off records the MOT can't.
Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2008 Porsche Cayenne reliable?
2008 Porsche Cayennes fail 21.4% of first MOT tests, 50% fewer MOT fails than the average car its age and mileage, ranking 11 of 19 Cayenne years (2,463 DVSA tests, 2022 to 2024).
What fails on a 2008 Porsche Cayenne MOT?
Most often engine warning light inoperative or lit (1.66% of tests), coil spring fractured or broken (1.58% of tests), dipped beam headlamp not working (1.38% of tests).
How many miles should a 2008 Porsche Cayenne have done?
At its MOT aged about 15, a typical 2008 Porsche Cayenne shows 103,823 miles. Much higher or lower is worth asking about.
What plate is a 2008 car?
A car first registered in 2008 carries a 57 plate (January–February 2008), or a 08 plate (March–August 2008), or a 58 plate (September–December 2008).
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