368 problems have been reported for the 2004 Honda Civic. The following chart shows the 23 most common problems for 2004 Honda Civic. The number one most common problem is related to the vehicle's air bags with 130 problems. The second most common problem is related to the vehicle's power train (31 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 Honda Civic in the United States are 291,019 units [1]. If the total number of problems reported by Honda Civic owners in the last 19 years is 368, and the age of the vehicle is 19, the PPMY index can then be calculated as
PPMY Index = 368 / 291,019 / 19 * 1000 = 0.07.
For more information, refer to this page: A study of reliability comparison across Honda Civic model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Honda Civic in 2004.
| Service Year | Number of Problems |
|---|---|
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 |
When making the decision between buying a new or used Honda Civic, the following table can be used to compare the 2004 Honda Civic with the Honda Civic from other model years. Note that the number of problems reported for the 2004 Civic is 368 while the average number of problems reported for the 28 model years of the Honda Civic is 540.