108 problems have been reported for the 2004 Dodge Neon. The following chart shows the 20 most common problems for 2004 Dodge Neon. The number one most common problem is related to the vehicle's engine and engine cooling with 21 problems. The second most common problem is related to the vehicle's power train (16 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 Dodge Neon in the United States are 117,037 units [1]. If the total number of problems reported by Dodge Neon owners in the last 18 years is 108, and the age of the vehicle is 18, the PPMY index can then be calculated as
PPMY Index = 108 / 117,037 / 18 * 1000 = 0.05.
For more information, refer to this page: A study of reliability comparison across Dodge Neon model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Dodge Neon in 2004.
| Service Year | Number of Problems |
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| 2022 | |
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| 2004 |
When making the decision between buying a new or used Dodge Neon, the following table can be used to compare the 2004 Dodge Neon with the Dodge Neon from other model years. Note that the number of problems reported for the 2004 Neon is 108 while the average number of problems reported for the 10 model years of the Dodge Neon is 256.