225 problems have been reported for the 2004 Acura MDX. The following chart shows the 22 most common problems for 2004 Acura MDX. The number one most common problem is related to the vehicle's power train with 71 problems. The second most common problem is related to the vehicle's air bags (26 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 2004 Acura MDX in the United States are 62,585 units [1]. If the total number of problems reported by Acura MDX owners in the last 21 years is 225, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 225 / 62,585 / 21 * 1000 = 0.17.
For more information, refer to this page: A study of reliability comparison across Acura MDX model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Acura MDX in 2004.
| Service Year | Number of Problems |
|---|---|
| 2025 | |
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
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| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
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| 2005 | |
| 2004 |
When making the decision between buying a new or used Acura MDX, the following table can be used to compare the 2004 Acura MDX with the Acura MDX from other model years. Note that the number of problems reported for the 2004 MDX is 225 while the average number of problems reported for the 24 model years of the Acura MDX is 142.