178 problems have been reported for the 2004 Buick Rainier. The following chart shows the 21 most common problems for 2004 Buick Rainier. The number one most common problem is related to the vehicle's electrical system with 81 problems. The second most common problem is related to the vehicle's exterior lighting (19 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 Buick Rainier in the United States are 28,971 units [1]. If the total number of problems reported by Buick Rainier owners in the last 18 years is 178, and the age of the vehicle is 18, the PPMY index can then be calculated as
PPMY Index = 178 / 28,971 / 18 * 1000 = 0.34.
For more information, refer to this page: A study of reliability comparison across Buick Rainier model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2004 Buick Rainier in 2004.
| Service Year | Number of Problems |
|---|---|
| 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 Buick Rainier, the following table can be used to compare the 2004 Buick Rainier with the Buick Rainier from other model years. Note that the number of problems reported for the 2004 Rainier is 178 while the average number of problems reported for the 5 model years of the Buick Rainier is 92.
| Model Year | Number of Problems |
|---|---|
| 2007 Rainier | |
| 2006 Rainier | |
| 2005 Rainier | |
| 2004 Rainier | |
| 2003 Rainier |