214 problems have been reported for the 2009 Volkswagen Passat. The following chart shows the 17 most common problems for 2009 Volkswagen Passat. The number one most common problem is related to the vehicle's engine and engine cooling with 63 problems. The second most common problem is related to the vehicle's fuel system, other (52 problems).
In our research we use the PPMY index to compare the reliability of vehicles. The PPMY index of a certain model is defined as the problems reported per thousand vehicles per Year. The total sales of the 2009 Volkswagen Passat in the United States are 31,237 units [1]. If the total number of problems reported by Volkswagen Passat owners in the last 16 years is 214, and the age of the vehicle is 16, the PPMY index can then be calculated as
PPMY Index = 214 / 31,237 / 16 * 1000 = 0.43.
For more information, refer to this page: A study of reliability comparison across Volkswagen Passat model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Volkswagen Passat in 2009.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
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| 2009 |
When making the decision between buying a new or used Volkswagen Passat, the following table can be used to compare the 2009 Volkswagen Passat with the Volkswagen Passat from other model years. Note that the number of problems reported for the 2009 Passat is 214 while the average number of problems reported for the 27 model years of the Volkswagen Passat is 366.