Toyota Sienna: which model years to avoid

Complaint and recall totals for every Toyota Sienna model year we track, ranked by severity.

Model yearComplaintsRecallsCrashesFiresSeverityMost-reported system
2012247910468.0 MediumAIR BAGS
201318267158.2 MediumSTRUCTURE
201416266237.0 MediumSTRUCTURE
20152296177145.9 HighSTRUCTURE
201675571109.3 HighSTRUCTURE
201715210134107.9 HighPOWER TRAIN
20186975098.6 HighPOWER TRAIN
20194572088.9 MediumUNKNOWN OR OTHER
20203620116.7 LowPOWER TRAIN
Across 9 model years, the 2015 Toyota Sienna carries the highest severity index (145.9, driven by structure), while the 2020 is the cleanest at 16.7.
Source. NHTSA public complaint and recall APIs. Complaint counts are not normalised by units sold; a high-volume seller will attract more filings than a rare trim.