2017 Porsche Cayman · 4,355 MOT tests
2017 Porsche Cayman reliability
2017 Porsche Caymans fail 5.3% of first MOT tests, 64% fewer MOT fails than the average car its age and mileage, ranking 9 of 15 Cayman years (4,355 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche Caymans: 9.8%)
- 5.3%
- first-time fail rate (all Porsche Caymans: 9.8%)
- fails than cars of the same age and mileage
- 64% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 6
- 27,765
- typical miles at its MOT, aged about 6
- MOT tests, 2022 to 2024
- 4,355
- MOT tests, 2022 to 2024
Year on year
2017 against the years either side
- 2016 cars: 68% fewer MOT fails than the average car its age (the 2017 car does worse)
- 2018 cars: 59% fewer MOT fails than the average car its age (the 2017 car does better)
- Strong point: tyres, 33% fewer fails than comparable cars.
- Plates: a 2017 car carries a 66 plate (January–February 2017), or a 17 plate (March–August 2017), or a 67 plate (September–December 2017).
Common problems
What fails on a 2017 Porsche Cayman
Fail rate by area
- Tyres2.9%
- Windscreen, wipers and mirrors0.8%
- Lights and electrics0.7%
- Brakes0.6%
- Number plates and VIN0.4%
- Suspension0.4%
- Exhaust, emissions and leaks0.2%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 0.92%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Tyre cut reaching ply or cords 0.51%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Tyre pressure monitoring system faulty 0.32%
A faulty tyre pressure monitor cannot warn about low tyre pressure, so check tyres manually and have the fault diagnosed.
Tyre bulge from structural failure 0.3%
A bulge means the tyre's structure has failed and it could burst suddenly, so it must be replaced at once.
Windscreen washers not working 0.28%
Without working washers the windscreen cannot be cleaned while driving, which is a safety risk in dirty weather.
Number plate does not meet standards 0.23%
The plate does not meet legal specifications, so it must be replaced with a compliant one before the car is driven.
Common advisories
Tyre worn close to legal limit (5.63%) · Tyre slightly damaged or cracking (4.02%) · Brake disc pitted or scored (1.42%) · Nail in tyre, monitor (1.01%) · Brake pads wearing thin (0.96%) · Tyre worn close to legal limit (0.94%)
Other years
Every Porsche Cayman year
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Source: DVSA anonymised MOT results, 2022 to 2024, class 4 normal tests.
Is a 2017 Porsche Cayman reliable?
2017 Porsche Caymans fail 5.3% of first MOT tests, 64% fewer MOT fails than the average car its age and mileage, ranking 9 of 15 Cayman years (4,355 DVSA tests, 2022 to 2024).
What fails on a 2017 Porsche Cayman MOT?
Most often tyre tread below 1.6mm (0.92% of tests), tyre cut reaching ply or cords (0.51% of tests), tyre pressure monitoring system faulty (0.32% of tests).
How many miles should a 2017 Porsche Cayman have done?
At its MOT aged about 6, a typical 2017 Porsche Cayman shows 27,765 miles. Much higher or lower is worth asking about.
What plate is a 2017 car?
A car first registered in 2017 carries a 66 plate (January–February 2017), or a 17 plate (March–August 2017), or a 67 plate (September–December 2017).
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