143 problems have been reported for the 2009 Subaru Outback. The following chart shows the 18 most common problems for 2009 Subaru Outback. The number one most common problem is related to the vehicle's air bags with 30 problems. The second most common problem is related to the vehicle's electrical system (22 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 Subaru Outback in the United States are 38,917 units [1]. If the total number of problems reported by Subaru Outback owners in the last 17 years is 143, and the age of the vehicle is 17, the PPMY index can then be calculated as
PPMY Index = 143 / 38,917 / 17 * 1000 = 0.22.
For more information, refer to this page: A study of reliability comparison across Subaru Outback model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Subaru Outback in 2009.
| Service Year | Number of Problems |
|---|---|
| 2026 | |
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Subaru Outback, the following table can be used to compare the 2009 Subaru Outback with the Subaru Outback from other model years. Note that the number of problems reported for the 2009 Outback is 143 while the average number of problems reported for the 30 model years of the Subaru Outback is 395.