50 problems have been reported for the 2015 Buick Regal. The following chart shows the 16 most common problems for 2015 Buick Regal. The number one most common problem is related to the vehicle's engine and engine cooling with 9 problems. The second most common problem is related to the vehicle's exterior lighting (8 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 2015 Buick Regal in the United States are 18,556 units [1]. If the total number of problems reported by Buick Regal owners in the last 9 years is 50, and the age of the vehicle is 9, the PPMY index can then be calculated as
PPMY Index = 50 / 18,556 / 9 * 1000 = 0.30.
For more information, refer to this page: A study of reliability comparison across Buick Regal model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2015 Buick Regal in 2015.
| Service Year | Number of Problems |
|---|---|
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 |
When making the decision between buying a new or used Buick Regal, the following table can be used to compare the 2015 Buick Regal with the Buick Regal from other model years. Note that the number of problems reported for the 2015 Regal is 50 while the average number of problems reported for the 23 model years of the Buick Regal is 114.
| Model Year | Number of Problems |
|---|---|
| 2020 Regal | |
| 2019 Regal | |
| 2018 Regal | |
| 2017 Regal | |
| 2016 Regal | |
| 2015 Regal | |
| 2014 Regal | |
| 2013 Regal | |
| 2012 Regal | |
| 2011 Regal | |
| 2010 Regal | |
| 2009 Regal | |
| 2008 Regal | |
| 2005 Regal | |
| 2004 Regal | |
| 2003 Regal | |
| 2002 Regal | |
| 2001 Regal | |
| 2000 Regal | |
| 1999 Regal | |
| 1998 Regal | |
| 1997 Regal | |
| 1996 Regal |