The best and worst Toyota Sienna years, by the numbers
Short answer: among Toyota Siennas old enough to judge (2005–2022), the 2016, 2019 and 2021–2022 have the fewest owner complaints per 10,000 sold. The 2005–2006, 2008 and 2011 have the most.
We counted every owner complaint filed with the federal government (NHTSA) for each model year and divided by how many were sold that year, so a year that sold more doesn’t look worse just for being popular. Years newer than 2022 are shown but not ranked — they haven’t been on the road long enough. How this is calculated.
Years with the most complaints
2005 Toyota Sienna · 48.5 per 10,000 sold (3.1× this model’s typical year)
Most-reported: Doors, windows, latches, seats and trim, typically around 77,150 miles; then airbags, seatbelts and restraints.
2006 Toyota Sienna · 54.8 per 10,000 sold (3.4× this model’s typical year)
Most-reported: Airbags, seatbelts and restraints, typically around 75,000 miles; then doors, windows, latches, seats and trim.
2008 Toyota Sienna · 34.9 per 10,000 sold (2.2× this model’s typical year)
Most-reported: Doors, windows, latches, seats and trim, typically around 85,000 miles; then abs module and wheel speed sensors.
2011 Toyota Sienna · 54.9 per 10,000 sold (3.5× this model’s typical year)
Most-reported: Airbags, seatbelts and restraints, typically around 53,000 miles; then doors, windows, latches, seats and trim.
Years with the fewest complaints
2016 Toyota Sienna · 5.9 per 10,000 sold (0.4× this model’s typical year)
Most-reported, even so: Doors, windows, latches, seats and trim, typically around 6,000 miles.
2019 Toyota Sienna · 6.1 per 10,000 sold (0.4× this model’s typical year)
Most-reported, even so: Fuel pump and sending unit, typically around 20,000 miles.
2021 Toyota Sienna · 0.0 per 10,000 sold (0.0× this model’s typical year)
2022 Toyota Sienna · 0.0 per 10,000 sold (0.0× this model’s typical year)
Every year: complaints per 10,000 sold
Typical Toyota Sienna year: 15.9 per 10,000 sold.
Complaints are counted once each, even when an owner lists several parts. Sales are US units sold in the calendar year, a close stand-in for the model year.
Common questions
What is the worst year for the Toyota Sienna?
Among Toyota Siennas old enough to judge (2005–2022), the 2011 has the most owner complaints per 10,000 sold: 54.9, about 3.5× a typical Toyota Sienna year. The 2005–2006 and 2008 also stand out.
What is the best year for the Toyota Sienna?
The 2021 has the fewest owner complaints per 10,000 sold among Toyota Siennas from 2005–2022: 0.0, against 15.9 for a typical year. The 2016, 2019 and 2022 are also well below typical.
What goes wrong on the 2011 Toyota Sienna?
The most-reported problem on the 2011 Toyota Sienna is airbags, seatbelts and restraints, typically around 53,000 miles.
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Source: NHTSA owner complaints and recalls; US sales from public industry figures. Complaints are self-reported and not independently verified. This is not an inspection and not a recommendation to buy or avoid any vehicle.