2001 Toyota Sienna - Problems, Statistics, and Analysis

Common problems of the 2001 Toyota Sienna

232 problems have been reported for the 2001 Toyota Sienna.
The following chart shows the 21 most common problems for 2001 Toyota Sienna.
The number one most common problem is related to the vehicle's latches/locks/linkages
with 34 problems.
The second most common problem is related to the vehicle's structure
(33 problems).

Table 1. Common problems of the 2001 Toyota Sienna

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 2001 Toyota Sienna in the United States are 85,851 units [1]. If the total number of problems reported by Toyota Sienna owners in the last 17 years is 232, and the age of the vehicle is 17, 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 2001 Toyota Sienna in 2001.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year

Number of Problems

2018

1

2017

1

2016

6

2015

4

2014

4

2013

8

2012

2

2011

12

2010

17

2009

14

2008

11

2007

8

2006

11

2005

17

2004

21

2003

29

2002

20

2001

2

Compare the 2001 Toyota Sienna with Other Model Years

When making the decision between buying a new or used Toyota Sienna,
the following table can be used to compare the 2001 Toyota Sienna
with the Toyota Sienna from other model years.
Note that the number of problems reported for the 2001 Sienna is 232
while the average number of problems reported for the 23 model years of the Toyota Sienna is 387.

Table 3. Compare the 2001 Toyota Sienna with other model years