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2018 Toyota Sienna
Problems & Complaints
Worst 2018 Toyota Sienna Problems by Category
Click on a category below for details. Help?
- fuel system problems1
- miscellaneous problemsNHTSA: 3
- drivetrain problemsNHTSA: 3
- interior accessories problemsNHTSA: 3
- engine problemsNHTSA: 3
- body / paint problemsNHTSA: 2
- exterior accessories problemsNHTSA: 1
- electrical problemsNHTSA: 1
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Compare Toyota Sienna Model Years
Curious how the 2018 Sienna compares to other years?
Check out our Toyota Sienna overview to see the most problematic years, worst problems and most recently reported complaints with the Sienna.