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2001 Toyota Sienna - Problems, Statistics, and Analysis

small car iamge Common problems of the 2001 Toyota Sienna

231 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 (32 problems).

Table 1. Common problems of the 2001 Toyota Sienna

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 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 16 years is 231, and the age of the vehicle is 16, the PPMY index can then be calculated as

      PPMY Index = 231 / 85,851 / 16 * 1000 = 0.17.

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

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
  2001
2
  2002
20
  2003
29
  2004
21
  2005
17
  2006
11
  2007
8
  2008
11
  2009
14
  2010
17
  2011
12
  2012
2
  2013
8
  2014
4
  2015
4
  2016
6
  2017
1

small car iamge 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 231 while the average number of problems reported for the 22 model years of the Toyota Sienna is 379.

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

Model Year Number of Problems
  2017 Sienna
11
  2016 Sienna
40
  2015 Sienna
83
  2014 Sienna
65
  2013 Sienna
89
  2012 Sienna
174
  2011 Sienna
550
  2010 Sienna
151
  2009 Sienna
191
  2008 Sienna
399
  2007 Sienna
368
  2006 Sienna
1,044
  2005 Sienna
1,230
  2004 Sienna
2,362
  2003 Sienna
118
  2002 Sienna
210
  2001 Sienna
231
  2000 Sienna
445
  1999 Sienna
246
  1998 Sienna
344
  1997 Sienna
2
  1996 Sienna
3


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Related:  
Toyota Sienna Service Bulletins
Toyota Sienna Safety Recalls
Toyota Sienna Defect Investigations
Toyota Sienna fuel economy