Porsche Cayman - Problems, Statistics, and Analysis

Porsche Cayman owners have reported a total of 61 problems for their cars built in the 12 model years listed in the chart below. The chart shows the number of problems reported across all service years for each given model year of the Porsche Cayman. The 2016 Porsche Cayman cars have the most problems reported (12 problems).

Table 1. Total number of problems by model year for Porsche Cayman

Model Year	Number of Problems
2022 Cayman	2
2021 Cayman	1
2016 Cayman	12
2015 Cayman	5
2014 Cayman	7
2012 Cayman	1
2011 Cayman	5
2010 Cayman	6
2009 Cayman	4
2007 Cayman	5
2006 Cayman	12
2005 Cayman	1

🔍 Common problems of Porsche Cayman

The following chart shows the 16 most common problems for Porsche Cayman cars. The number one most common problem is related to the vehicle's engine and engine cooling (18 problems). The second most common problem is related to the vehicle's power train (13 problems).

Table 2. Common problems of Porsche Cayman

Problem Category	Number of Problems
Engine And Engine Cooling	18
Power Train	13
Air Bag	7
Equipment	4
Other Fuel System	3
Electrical System	3
Vehicle Speed Control	2
Seat Belt	2
Tire	2
Service Brakes	1

Unknown Or Other	1
Structure	1
Steering	1
Visibility	1
Wheel	1
Exterior Lighting	1

📉 Compare Reliability Across Model Years Using PPMY Index

It would not be fair to compare the Porsche Cayman of an older model year to newer model years since older vehicles have been in service longer and thus are expected to have more problems. In order to compare the reliability across Cayman model years, we use the PPMY index which is defined as the problems reported per thousand vehicles per Year. A smaller PPMY index indicates greater reliability of the given model year cars.

PPMY = P / S / Y * 1000,

where P = total problems reported during the life of a Porsche Cayman model year; S = total units sold of the model year; Y = years since the debut of the model year (the age of the vehicle).

The results are shown in Table 3.

Table 3. Use PPMY Index to Compare Reliability Across Cayman Model Years

Cayman Model Year	Problems	Sales [1]	Vehicle Age	PPMY Index
2022	2	1,557	2	0.64
2021	1	1,950	3	0.17

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