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2008 Chevrolet Impala - Problems, Statistics, and Analysis

small car iamge Common problems of the 2008 Chevrolet Impala

986 problems have been reported for the 2008 Chevrolet Impala. The following chart shows the 21 most common problems for 2008 Chevrolet Impala. The number one most common problem is related to the vehicle's electrical system with 196 problems. The second most common problem is related to the vehicle's engine and engine cooling (125 problems).

Table 1. Common problems of the 2008 Chevrolet Impala

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 2008 Chevrolet Impala in the United States are 332,840 units [1]. If the total number of problems reported by Chevrolet Impala owners in the last 9 years is 986, and the age of the vehicle is 9, the PPMY index can then be calculated as

      PPMY Index = 986 / 332,840 / 9 * 1000 = 0.33.

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

The following chart shows the number of problems reported during each of the service years since the debut of the 2008 Chevrolet Impala in 2008.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year Number of Problems
  2008
4
  2009
57
  2010
80
  2011
85
  2012
85
  2013
189
  2014
234
  2015
130
  2016
57
  2017
22

small car iamge Compare the 2008 Chevrolet Impala with Other Model Years

When making the decision between buying a new or used Chevrolet Impala, the following table can be used to compare the 2008 Chevrolet Impala with the Chevrolet Impala from other model years. Note that the number of problems reported for the 2008 Impala is 986 while the average number of problems reported for the 22 model years of the Chevrolet Impala is 485.

Table 3. Compare the 2008 Chevrolet Impala with other model years

Model Year Number of Problems
  2017 Impala
13
  2016 Impala
20
  2015 Impala
70
  2014 Impala
215
  2013 Impala
290
  2012 Impala
250
  2011 Impala
582
  2010 Impala
545
  2009 Impala
1,055
  2008 Impala
986
  2007 Impala
719
  2006 Impala
666
  2005 Impala
690
  2004 Impala
1,199
  2003 Impala
760
  2002 Impala
869
  2001 Impala
776
  2000 Impala
879
  1999 Impala
4
  1998 Impala
4
  1997 Impala
1
  1996 Impala
89


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Related:  
Chevrolet Impala Service Bulletins
Chevrolet Impala Safety Recalls
Chevrolet Impala Defect Investigations
Chevrolet Impala fuel economy