96 problems have been reported for the 2015 Subaru Impreza. The following chart shows the 17 most common problems for 2015 Subaru Impreza. The number one most common problem is related to the vehicle's electrical system with 20 problems. The second most common problem is related to the vehicle's equipment (15 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 Subaru Impreza in the United States are 65,230 units [1]. If the total number of problems reported by Subaru Impreza owners in the last 11 years is 96, and the age of the vehicle is 11, the PPMY index can then be calculated as
PPMY Index = 96 / 65,230 / 11 * 1000 = 0.13.
For more information, refer to this page: A study of reliability comparison across Subaru Impreza model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Subaru Impreza 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 Subaru Impreza, the following table can be used to compare the 2015 Subaru Impreza with the Subaru Impreza from other model years. Note that the number of problems reported for the 2015 Impreza is 96 while the average number of problems reported for the 30 model years of the Subaru Impreza is 107.