2005 Buick Lesabre - Problems, Statistics, and Analysis

Common problems of the 2005 Buick Lesabre

82 problems have been reported for the 2005 Buick Lesabre.
The following chart shows the 17 most common problems for 2005 Buick Lesabre.
The number one most common problem is related to the vehicle's electrical system
with 25 problems.
The second most common problem is related to the vehicle's service brakes, hydraulic
(8 problems).

Table 1. Common problems of the 2005 Buick Lesabre

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 2005 Buick Lesabre in the United States are 105,987 units [1]. If the total number of problems reported by Buick Lesabre owners in the last 14 years is 82, and the age of the vehicle is 14, 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 2005 Buick Lesabre in 2005.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2019

1

2018

0

2017

0

2016

0

2015

8

2014

10

2013

9

2012

4

2011

4

2010

9

2009

7

2008

4

2007

2

2006

9

2005

1

Compare the 2005 Buick Lesabre with Other Model Years

When making the decision between buying a new or used Buick Lesabre,
the following table can be used to compare the 2005 Buick Lesabre
with the Buick Lesabre from other model years.
Note that the number of problems reported for the 2005 Lesabre is 82
while the average number of problems reported for the 11 model years of the Buick Lesabre is 268.

Table 3. Compare the 2005 Buick Lesabre with other model years