2006 Toyota Sienna - Problems, Statistics, and Analysis

small car iamge Common problems of the 2006 Toyota Sienna

1,114 problems have been reported for the 2006 Toyota Sienna. The following chart shows the 25 most common problems for 2006 Toyota Sienna. The number one most common problem is related to the vehicle's air bags with 294 problems. The second most common problem is related to the vehicle's structure (217 problems).

Table 1. Common problems of the 2006 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 2006 Toyota Sienna in the United States are 200,899 units [1]. If the total number of problems reported by Toyota Sienna owners in the last 12 years is 1114, and the age of the vehicle is 12, the PPMY index can then be calculated as

      PPMY Index = 1114 / 200,899 / 12 * 1000 = 0.46.

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 2006 Toyota Sienna in 2006.

Table 2. PPMY Index and Problem Occurrence Trend

Service Year Number of Problems
  2018
18
  2017
41
  2016
66
  2015
70
  2014
81
  2013
105
  2012
120
  2011
172
  2010
170
  2009
89
  2008
67
  2007
57
  2006
5

small car iamge Compare the 2006 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 2006 Toyota Sienna with the Toyota Sienna from other model years. Note that the number of problems reported for the 2006 Sienna is 1,114 while the average number of problems reported for the 23 model years of the Toyota Sienna is 390.

Table 3. Compare the 2006 Toyota Sienna with other model years

Model Year Number of Problems
  2018 Sienna
2
  2017 Sienna
39
  2016 Sienna
61
  2015 Sienna
135
  2014 Sienna
101
  2013 Sienna
133
  2012 Sienna
249
  2011 Sienna
650
  2010 Sienna
170
  2009 Sienna
227
  2008 Sienna
437
  2007 Sienna
388
  2006 Sienna
1,114
  2005 Sienna
1,259
  2004 Sienna
2,405
  2003 Sienna
118
  2002 Sienna
212
  2001 Sienna
232
  2000 Sienna
449
  1999 Sienna
246
  1998 Sienna
345
  1997 Sienna
2
  1996 Sienna
3


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