2009 Buick Lucerne - Problems, Statistics, and Analysis

Common problems of the 2009 Buick Lucerne

133 problems have been reported for the 2009 Buick Lucerne.
The following chart shows the 22 most common problems for 2009 Buick Lucerne.
The number one most common problem is related to the vehicle's electrical system
with 51 problems.
The second most common problem is related to the vehicle's fuel system, other
(28 problems).

Table 1. Common problems of the 2009 Buick Lucerne

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 Lucerne in the United States are 31,752 units [1]. If the total number of problems reported by Buick Lucerne owners in the last 9 years is 133, and the age of the vehicle is 9, the PPMY index can then be calculated as

The following chart shows the number of problems reported during each of the service
years since the debut of the 2009 Buick Lucerne in 2009.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2018

16

2017

25

2016

21

2015

32

2014

9

2013

6

2012

1

2011

8

2010

6

2009

1

Compare the 2009 Buick Lucerne with Other Model Years

When making the decision between buying a new or used Buick Lucerne,
the following table can be used to compare the 2009 Buick Lucerne
with the Buick Lucerne from other model years.
Note that the number of problems reported for the 2009 Lucerne is 133
while the average number of problems reported for the 6 model years of the Buick Lucerne is 160.

Table 3. Compare the 2009 Buick Lucerne with other model years