Toyota Sienna structure problems by year
2,746 NHTSA owner complaints name the structure across 25 Sienna model years. The most reported year is 2004 with 962 reports.
| Year | Structure reports | Share | Median mileage | |
|---|---|---|---|---|
| 2022 Sienna | 1 | 1% | — | |
| 2021 Sienna | 6 | 4% | — | |
| 2020 Sienna | 3 | 8% | — | |
| 2019 Sienna | 6 | 13% | — | |
| 2018 Sienna | 5 | 7% | — | |
| 2017 Sienna | 13 | 9% | — | |
| 2016 Sienna | 26 | 35% | — | |
| 2015 Sienna | 60 | 26% | 26,000 mi | |
| 2014 Sienna | 44 | 27% | 63,500 mi | |
| 2013 Sienna | 44 | 24% | 43,500 mi | |
| 2012 Sienna | 72 | 29% | 58,409 mi | |
| 2011 Sienna | 154 | 25% | 78,612 mi | |
| 2010 Sienna | 57 | 33% | 72,000 mi | |
| 2009 Sienna | 97 | 47% | 82,500 mi | |
| 2008 Sienna | 117 | 27% | 81,850 mi | |
| 2007 Sienna | 102 | 28% | 70,500 mi | |
| 2006 Sienna | 260 | 26% | 68,000 mi | |
| 2005 Sienna | 499 | 44% | 65,000 mi | |
| 2004 Sienna | 962 | 47% | 80,000 mi | |
| 2003 Sienna | 18 | 17% | 80,000 mi | |
| 2002 Sienna | 42 | 23% | 75,000 mi | |
| 2001 Sienna | 35 | 19% | 78,000 mi | |
| 2000 Sienna | 52 | 14% | 120,000 mi | |
| 1999 Sienna | 36 | 17% | 95,500 mi | |
| 1998 Sienna | 35 | 12% | — |
Share is the fraction of that year’s complaints naming the structure. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.