2003 Buick Century - Problems, Statistics, and Analysis

small car iamge Common problems of the 2003 Buick Century

137 problems have been reported for the 2003 Buick Century. The following chart shows the 20 most common problems for 2003 Buick Century. The number one most common problem is related to the vehicle's exterior lighting with 39 problems. The second most common problem is related to the vehicle's electrical system (21 problems).

Table 1. Common problems of the 2003 Buick Century

small car iamge PPMY Index and Problem Occurrence Trend

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 2003 Buick Century in the United States are 148,270 units [1]. If the total number of problems reported by Buick Century owners in the last 15 years is 137, and the age of the vehicle is 15, the PPMY index can then be calculated as

      PPMY Index = 137 / 148,270 / 15 * 1000 = 0.06.

For more information, refer to this page: A study of reliability comparison across Buick Century model year vehicles.

The following chart shows the number of problems reported during each of the service years since the debut of the 2003 Buick Century in 2003.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year Number of Problems
  2018
0
  2017
2
  2016
8
  2015
1
  2014
9
  2013
6
  2012
6
  2011
11
  2010
11
  2009
13
  2008
9
  2007
12
  2006
6
  2005
8
  2004
20
  2003
1

small car iamge Compare the 2003 Buick Century with Other Model Years

When making the decision between buying a new or used Buick Century, the following table can be used to compare the 2003 Buick Century with the Buick Century from other model years. Note that the number of problems reported for the 2003 Century is 137 while the average number of problems reported for the 10 model years of the Buick Century is 135.

Table 3. Compare the 2003 Buick Century with other model years

Model Year Number of Problems
  2005 Century
22
  2004 Century
35
  2003 Century
137
  2002 Century
160
  2001 Century
149
  2000 Century
203
  1999 Century
246
  1998 Century
219
  1997 Century
107
  1996 Century
80


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