16 problems have been reported for the 2009 Acura RDX. The following chart shows the 6 most common problems for 2009 Acura RDX. The number one most common problem is related to the vehicle's air bags with 10 problems. The second most common problem is related to the vehicle's service brakes, hydraulic (2 problems).
| Problem Category | Number of Problems |
|---|---|
| Air Bag | |
| Service Brakes | |
| Power Train | |
| Wheel | |
| Visibility | |
| Vehicle Speed Control |
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 Acura RDX in the United States are 8,690 units [1]. If the total number of problems reported by Acura RDX owners in the last 16 years is 16, and the age of the vehicle is 16, the PPMY index can then be calculated as
PPMY Index = 16 / 8,690 / 16 * 1000 = 0.12.
For more information, refer to this page: A study of reliability comparison across Acura RDX model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Acura RDX in 2009.
| Service Year | Number of Problems |
|---|---|
| 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 Acura RDX, the following table can be used to compare the 2009 Acura RDX with the Acura RDX from other model years. Note that the number of problems reported for the 2009 RDX is 16 while the average number of problems reported for the 18 model years of the Acura RDX is 116.