Toyota Sienna
Problems by year. 8 years of data available.
The Toyota Sienna has 6,261 NHTSA complaints on file across 8 model years (1998–2011). The 2004 Sienna accounts for the largest share, with 2,062 filings.
By trouble score, the highest-rated (worst) year is the 2007 Sienna at 69/100 (based on 363 complaints). The lowest-rated (best) year with enough data is the 2006 Sienna at 57/100. Pick a year below to see problem-area breakdowns, recent owner complaints, and a complaint-volume timeline.