2020 Porsche Cayenne · 7,980 MOT tests
2020 Porsche Cayenne reliability
2020 Porsche Cayennes fail 4.8% of first MOT tests, 63% fewer MOT fails than the average car its age and mileage, ranking 1 of 19 Cayenne years (7,980 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche Cayennes: 13.8%)
- 4.8%
- first-time fail rate (all Porsche Cayennes: 13.8%)
- fails than cars of the same age and mileage
- 63% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 3
- 31,804
- typical miles at its MOT, aged about 3
- MOT tests, 2022 to 2024
- 7,980
- MOT tests, 2022 to 2024
Year on year
2020 against the years either side
- 2019 cars: 61% fewer MOT fails than the average car its age (the 2020 car does better)
- 2021 cars: 61% fewer MOT fails than the average car its age (the 2020 car does better)
- Strong point: tyres, 30% fewer fails than comparable cars.
- Plates: a 2020 car carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
Common problems
What fails on a 2020 Porsche Cayenne
Fail rate by area
- Tyres3.3%
- Brakes0.5%
- Number plates and VIN0.4%
- Windscreen, wipers and mirrors0.4%
- Lights and electrics0.3%
- Exhaust, emissions and leaks0.1%
- Wheels0.1%
Average for cars of the same age and mileage
Top failures
Tyre cut reaching ply or cords 0.78%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre ply or cords exposed 0.43%
Exposed ply or cords can let the tyre fail suddenly, so the tyre must be replaced before the car is driven.
Tyre bulge from structural failure 0.31%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Number plate does not meet standards 0.19%
The plate does not meet legal specifications, so it must be replaced with a compliant one before the car is driven.
Tyre tread below 1.6mm 0.14%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre pressure monitoring system faulty 0.11%
A faulty tyre pressure monitor cannot warn about low tyre pressure, so check tyres manually and have the fault diagnosed.
Common advisories
Tyre worn close to legal limit (3.71%) · Brake pads wearing thin (1.69%) · Tyre slightly damaged or cracking (1.38%) · Tyre has a shallow cut (1.27%) · Nail in tyre, monitor (1.19%) · Tyre showing slight damage (0.74%)
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 2020 Porsche Cayenne reliable?
2020 Porsche Cayennes fail 4.8% of first MOT tests, 63% fewer MOT fails than the average car its age and mileage, ranking 1 of 19 Cayenne years (7,980 DVSA tests, 2022 to 2024).
What fails on a 2020 Porsche Cayenne MOT?
Most often tyre cut reaching ply or cords (0.78% of tests), tyre ply or cords exposed (0.43% of tests), tyre bulge from structural failure (0.31% of tests).
How many miles should a 2020 Porsche Cayenne have done?
At its MOT aged about 3, a typical 2020 Porsche Cayenne shows 31,804 miles. Much higher or lower is worth asking about.
What plate is a 2020 car?
A car first registered in 2020 carries a 69 plate (January–February 2020), or a 20 plate (March–August 2020), or a 70 plate (September–December 2020).
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