83 problems have been reported for the 2009 Jeep Commander. The following chart shows the 17 most common problems for 2009 Jeep Commander. The number one most common problem is related to the vehicle's electrical system with 25 problems. The second most common problem is related to the vehicle's engine and engine cooling (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 2009 Jeep Commander in the United States are 2,336 units [1]. If the total number of problems reported by Jeep Commander owners in the last 13 years is 83, and the age of the vehicle is 13, the PPMY index can then be calculated as
PPMY Index = 83 / 2,336 / 13 * 1000 = 2.73.
For more information, refer to this page: A study of reliability comparison across Jeep Commander model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Jeep Commander in 2009.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Jeep Commander, the following table can be used to compare the 2009 Jeep Commander with the Jeep Commander from other model years. Note that the number of problems reported for the 2009 Commander is 83 while the average number of problems reported for the 6 model years of the Jeep Commander is 779.
| Model Year | Number of Problems |
|---|---|
| 2010 Commander | |
| 2009 Commander | |
| 2008 Commander | |
| 2007 Commander | |
| 2006 Commander | |
| 2005 Commander |