321 problems have been reported for the 2012 Subaru Impreza. The following chart shows the 20 most common problems for 2012 Subaru Impreza. The number one most common problem is related to the vehicle's air bags with 104 problems. The second most common problem is related to the vehicle's engine and engine cooling (55 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 2012 Subaru Impreza in the United States are 66,990 units [1]. If the total number of problems reported by Subaru Impreza owners in the last 13 years is 321, and the age of the vehicle is 13, the PPMY index can then be calculated as
PPMY Index = 321 / 66,990 / 13 * 1000 = 0.37.
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 2012 Subaru Impreza in 2012.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 |
When making the decision between buying a new or used Subaru Impreza, the following table can be used to compare the 2012 Subaru Impreza with the Subaru Impreza from other model years. Note that the number of problems reported for the 2012 Impreza is 321 while the average number of problems reported for the 29 model years of the Subaru Impreza is 108.