2,356 problems have been reported for the 2003 Honda Accord. The following chart shows the 26 most common problems for 2003 Honda Accord. The number one most common problem is related to the vehicle's power train with 899 problems. The second most common problem is related to the vehicle's air bags (318 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 2003 Honda Accord in the United States are 428,812 units [1]. If the total number of problems reported by Honda Accord owners in the last 23 years is 2356, and the age of the vehicle is 23, the PPMY index can then be calculated as
PPMY Index = 2356 / 428,812 / 23 * 1000 = 0.24.
For more information, refer to this page: A study of reliability comparison across Honda Accord model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Honda Accord in 2003.
| Service Year | Number of Problems |
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| 2026 | |
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| 2024 | |
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| 2003 |
When making the decision between buying a new or used Honda Accord, the following table can be used to compare the 2003 Honda Accord with the Honda Accord from other model years. Note that the number of problems reported for the 2003 Accord is 2,356 while the average number of problems reported for the 30 model years of the Honda Accord is 973.