For every car sold, owners filed 2.3 times as many complaints about the 2023 Sienna as about the typical Sienna year. Among the 12 Sienna years with enough complaints to compare, owners filed the fewest about the 2014 (0.25 per 1,000 sold) and the most about the 2011 (1.30).
Safety complaints filed by owners in the first three years, per 1,000 sold.
2.3 times this nameplate’s own median
Counted from 52 complaints filed in the first three years, of 72 ever. 95% lower bound 0.56.
The model year carries far more information than the badge, so this is the comparison that matters. The bar is how many complaints each rate rests on.
| Model year | Per 1,000 | Complaints | |
|---|---|---|---|
| 2008 | 0.74 | 86 | |
| 2009 | 0.31 | 31 | |
| 2010 | 0.50 | 46 | |
| 2011 | 1.30 | 136 | |
| 2012 | 0.34 | 39 | |
| 2013 | 0.29 | 34 | |
| 2014 | 0.25 | 31 | |
| 2015 | 0.66 | 86 | |
| 2016 | 0.32 | 42 | |
| 2017 | 0.53 | 64 | |
| 2018 | 0.33 | 33 | |
| 2019 | 0.22 | 18 | |
| 2020 | 0.27 | 16 | |
| 2021 | 0.08 | 9 | |
| 2022 | 0.03 | 3 | |
| 2023 | 0.76 | 52 |
No phrase appears often enough in these complaints to describe them reliably.
Too few complaints record mileage for this model year to show a pattern. NHTSA largely stopped capturing mileage after 2021.
That is not a clean bill of health, and not a criticism of the agency: investigations open for many reasons and complaint volume is only one of them.
For every car sold, owners filed 2.3 times as many complaints about the 2023 Sienna as about the typical Sienna year. Among the 12 Sienna years with enough complaints to compare, owners filed the fewest about the 2014 (0.25 per 1,000 sold) and the most about the 2011 (1.30). The typical year is the median across its model years.
The parts owners named most often in complaints filed to date: Service Brakes (26), Unknown Or Other (16), Electrical System (8).
Complaint records cannot settle that on their own. They count safety problems owners chose to report to the federal government, not every repair. What they do show is how this year compares with the other Sienna years: for every car sold, owners filed 2.3 times as many complaints about the 2023 Sienna as about the typical Sienna year.
Among years with enough complaints to compare, the 2014, at 0.25 per 1,000 sold. Every Sienna year, ranked.
No guide we read covers the Sienna.
Example records behind this page, each on NHTSA’s own site: