2004 Toyota Highlander - Problems, Statistics, and Analysis

Common problems of the 2004 Toyota Highlander

326 problems have been reported for the 2004 Toyota Highlander.
The following chart shows the 22 most common problems for 2004 Toyota Highlander.
The number one most common problem is related to the vehicle's power train
with 57 problems.
The second most common problem is related to the vehicle's vehicle speed control
(38 problems).

Table 1. Common problems of the 2004 Toyota Highlander

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 2004 Toyota Highlander in the United States are 123,726 units [1]. If the total number of problems reported by Toyota Highlander owners in the last 15 years is 326, 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 2004 Toyota Highlander in 2004.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2019

0

2018

1

2017

5

2016

6

2015

9

2014

17

2013

16

2012

15

2011

24

2010

34

2009

18

2008

34

2007

25

2006

27

2005

38

2004

57

Compare the 2004 Toyota Highlander with Other Model Years

When making the decision between buying a new or used Toyota Highlander,
the following table can be used to compare the 2004 Toyota Highlander
with the Toyota Highlander from other model years.
Note that the number of problems reported for the 2004 Highlander is 326
while the average number of problems reported for the 20 model years of the Toyota Highlander is 168.

Table 3. Compare the 2004 Toyota Highlander with other model years