1,532 problems have been reported for the 2004 Jeep Grand Cherokee. The following chart shows the 24 most common problems for 2004 Jeep Grand Cherokee. The number one most common problem is related to the vehicle's air bags with 320 problems. The second most common problem is related to the vehicle's visibility (216 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 Jeep Grand Cherokee in the United States are 71,039 units [1]. If the total number of problems reported by Jeep Grand Cherokee owners in the last 21 years is 1532, and the age of the vehicle is 21, the PPMY index can then be calculated as
PPMY Index = 1532 / 71,039 / 21 * 1000 = 1.03.
For more information, refer to this page: A study of reliability comparison across Jeep Grand Cherokee model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Jeep Grand Cherokee in 2004.
| Service Year | Number of Problems |
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| 2025 | |
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| 2004 |
When making the decision between buying a new or used Jeep Grand Cherokee, the following table can be used to compare the 2004 Jeep Grand Cherokee with the Jeep Grand Cherokee from other model years. Note that the number of problems reported for the 2004 Grand Cherokee is 1,532 while the average number of problems reported for the 30 model years of the Jeep Grand Cherokee is 1,182.