2015 Porsche Cayman · 4,808 MOT tests
2015 Porsche Cayman reliability
2015 Porsche Caymans fail 4.9% of first MOT tests, 73% fewer MOT fails than the average car its age and mileage, ranking 3 of 15 Cayman years (4,808 DVSA tests, 2022 to 2024).
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- first-time fail rate (all Porsche Caymans: 9.8%)
- 4.9%
- first-time fail rate (all Porsche Caymans: 9.8%)
- fails than cars of the same age and mileage
- 73% fewer
- fails than cars of the same age and mileage
- typical miles at its MOT, aged about 8
- 31,631
- typical miles at its MOT, aged about 8
- MOT tests, 2022 to 2024
- 4,808
- MOT tests, 2022 to 2024
Year on year
2015 against the years either side
- 2014 cars: 68% fewer MOT fails than the average car its age (the 2015 car does better)
- 2016 cars: 68% fewer MOT fails than the average car its age (the 2015 car does better)
- Strong point: lights and electrics, 81% fewer fails than comparable cars.
- Plates: a 2015 car carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
Common problems
What fails on a 2015 Porsche Cayman
Fail rate by area
- Tyres1.3%
- Lights and electrics1%
- Suspension0.9%
- Windscreen, wipers and mirrors0.9%
- Exhaust, emissions and leaks0.6%
- Brakes0.6%
- Number plates and VIN0.2%
Average for cars of the same age and mileage
Top failures
Tyre tread below 1.6mm 0.5%
Tread below 1.6mm is illegal and reduces grip in wet conditions, so the tyre must be replaced.
Coil spring fractured or broken 0.35%
A broken coil spring can leave the car sitting low or unstable, so it must be replaced before driving.
Tyre cut reaching ply or cords 0.27%
A cut reaching the ply or cords weakens the tyre and can cause a burst, so it must be replaced.
Number plate does not meet standards 0.25%
The plate does not meet legal specifications, so it must be replaced with a compliant one before the car is driven.
Lambda reading outside specified limits 0.25%
An out-of-range lambda reading suggests poor fuel mixture or a failing catalytic converter, so diagnosis is needed.
Dipped beam headlamp not working 0.23%
A failed dipped beam makes it hard to see and be seen at night, so the lamp needs fixing before driving.
Common advisories
Tyre worn close to legal limit (3.95%) · Tyre slightly damaged or cracking (3.31%) · Brake disc pitted or scored (2.29%) · Brake pipes corroded and greasy (2.2%) · Brake pads wearing thin (1.31%) · Nail in tyre, monitor (1.21%)
Other years
Every Porsche Cayman year
The full picture: Porsche Cayman reliability. Before you pay for any Porsche Cayman, 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 2015 Porsche Cayman reliable?
2015 Porsche Caymans fail 4.9% of first MOT tests, 73% fewer MOT fails than the average car its age and mileage, ranking 3 of 15 Cayman years (4,808 DVSA tests, 2022 to 2024).
What fails on a 2015 Porsche Cayman MOT?
Most often tyre tread below 1.6mm (0.5% of tests), coil spring fractured or broken (0.35% of tests), tyre cut reaching ply or cords (0.27% of tests).
How many miles should a 2015 Porsche Cayman have done?
At its MOT aged about 8, a typical 2015 Porsche Cayman shows 31,631 miles. Much higher or lower is worth asking about.
What plate is a 2015 car?
A car first registered in 2015 carries a 64 plate (January–February 2015), or a 15 plate (March–August 2015), or a 65 plate (September–December 2015).
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