2003 Nissan Altima - Problems, Statistics, and Analysis

Common problems of the 2003 Nissan Altima

1,066 problems have been reported for the 2003 Nissan Altima.
The following chart shows the 21 most common problems for 2003 Nissan Altima.
The number one most common problem is related to the vehicle's engine and engine cooling
with 568 problems.
The second most common problem is related to the vehicle's structure
(117 problems).

Table 1. Common problems of the 2003 Nissan Altima

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 Nissan Altima in the United States are 225,702 units [1]. If the total number of problems reported by Nissan Altima owners in the last 15 years is 1066, and the age of the vehicle is 15, 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 2003 Nissan Altima in 2003.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2018

11

2017

26

2016

33

2015

78

2014

32

2013

70

2012

69

2011

66

2010

96

2009

107

2008

97

2007

108

2006

136

2005

46

2004

29

2003

6

Compare the 2003 Nissan Altima with Other Model Years

When making the decision between buying a new or used Nissan Altima,
the following table can be used to compare the 2003 Nissan Altima
with the Nissan Altima from other model years.
Note that the number of problems reported for the 2003 Altima is 1,066
while the average number of problems reported for the 24 model years of the Nissan Altima is 534.

Table 3. Compare the 2003 Nissan Altima with other model years