263 problems have been reported for the 2021 Subaru Forester. The following chart shows the 20 most common problems for 2021 Subaru Forester. The number one most common problem is related to the vehicle's visibility with 89 problems. The second most common problem is related to the vehicle's equipment (39 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 2021 Subaru Forester in the United States are 176,275 units [1]. If the total number of problems reported by Subaru Forester owners in the last 5 years is 263, and the age of the vehicle is 5, the PPMY index can then be calculated as
PPMY Index = 263 / 176,275 / 5 * 1000 = 0.30.
For more information, refer to this page: A study of reliability comparison across Subaru Forester model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2021 Subaru Forester in 2021.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 |
When making the decision between buying a new or used Subaru Forester, the following table can be used to compare the 2021 Subaru Forester with the Subaru Forester from other model years. Note that the number of problems reported for the 2021 Forester is 263 while the average number of problems reported for the 29 model years of the Subaru Forester is 286.