2008 Chevrolet Impala - Problems, Statistics, and Analysis

Common problems of the 2008 Chevrolet Impala

1,006 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 198 problems.
The second most common problem is related to the vehicle's engine and engine cooling
(127 problems).

Table 1. Common problems of the 2008 Chevrolet Impala

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 10 years is 1006, and the age of the vehicle is 10, 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 2008 Chevrolet Impala in 2008.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2018

3

2017

36

2016

60

2015

130

2014

234

2013

189

2012

85

2011

85

2010

80

2009

57

2008

4

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 1,006
while the average number of problems reported for the 23 model years of the Chevrolet Impala is 476.

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