2nd Generation (2004—2010) Sienna Problems

Sienna owners with a 2004—2010 model year have the most problems with the interior (17%), body (16%), and the steering (8%). We've listed some of the most recent complaints below. The full list is available on CarComplaints.com.

  1. Loss of Power After Slowing Down 16 complaints at an average of 37,774 miles in the 2007 Toyota Sienna.
  2. Rack and Pinion Seal Failure 16 complaints at an average of 558,218 miles in the 2006 Toyota Sienna.
  3. Gears Seized While Driving 2 complaints at an average of 68,000 miles in the 2010 Toyota Sienna.

What Sienna Year is Most Reliable?

Generations are a good baseline for prediciting reliability, but there will almost always be year-to-year differences. We've calculated a reliability score for each model year within this generation, but we've based that score on how the model year compares to all Toyota model years.

Watch out for the 2004 model year which has the highest PainRank™ score in this generation.

Year Complaints Recalls TSBs PainRank (?)
2010 18 8 190 14.24
2009 28 10 174 9.64
2008 63 9 171 22.65
2007 75 10 170 30.92
2006 127 11 169 33.48
2005 101 12 179 21.24
2004 196 10 203 33.91

Watch out for these common problems

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