280 problems have been reported for the 2015 Volkswagen Jetta. The following chart shows the 21 most common problems for 2015 Volkswagen Jetta. The number one most common problem is related to the vehicle's electrical system with 47 problems. The second most common problem is related to the vehicle's engine and engine cooling (44 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 2015 Volkswagen Jetta in the United States are 100,420 units [1]. If the total number of problems reported by Volkswagen Jetta owners in the last 11 years is 280, and the age of the vehicle is 11, the PPMY index can then be calculated as
PPMY Index = 280 / 100,420 / 11 * 1000 = 0.25.
For more information, refer to this page: A study of reliability comparison across Volkswagen Jetta model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Volkswagen Jetta in 2015.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
When making the decision between buying a new or used Volkswagen Jetta, the following table can be used to compare the 2015 Volkswagen Jetta with the Volkswagen Jetta from other model years. Note that the number of problems reported for the 2015 Jetta is 280 while the average number of problems reported for the 31 model years of the Volkswagen Jetta is 414.