145 problems have been reported for the 2009 Buick Lacrosse. The following chart shows the 15 most common problems for 2009 Buick Lacrosse. The number one most common problem is related to the vehicle's exterior lighting with 46 problems. The second most common problem is related to the vehicle's electrical system (30 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 2009 Buick Lacrosse in the United States are 18,532 units [1]. If the total number of problems reported by Buick Lacrosse owners in the last 15 years is 145, and the age of the vehicle is 15, the PPMY index can then be calculated as
PPMY Index = 145 / 18,532 / 15 * 1000 = 0.52.
For more information, refer to this page: A study of reliability comparison across Buick Lacrosse model year vehicles.
The following chart shows the number of problems reported during each of the service years since the debut of the 2009 Buick Lacrosse in 2009.
| Service Year | Number of Problems |
|---|---|
| 2024 | |
| 2023 | |
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 |
When making the decision between buying a new or used Buick Lacrosse, the following table can be used to compare the 2009 Buick Lacrosse with the Buick Lacrosse from other model years. Note that the number of problems reported for the 2009 Lacrosse is 145 while the average number of problems reported for the 15 model years of the Buick Lacrosse is 178.
| Model Year | Number of Problems |
|---|---|
| 2019 Lacrosse | |
| 2018 Lacrosse | |
| 2017 Lacrosse | |
| 2016 Lacrosse | |
| 2015 Lacrosse | |
| 2014 Lacrosse | |
| 2013 Lacrosse | |
| 2012 Lacrosse | |
| 2011 Lacrosse | |
| 2010 Lacrosse | |
| 2009 Lacrosse | |
| 2008 Lacrosse | |
| 2007 Lacrosse | |
| 2006 Lacrosse | |
| 2005 Lacrosse |