There are 2 owner-reported tires & wheels complaints for the 2018 Toyota Siennain NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
ORIGINAL TIRES AT 17K, MY 2018 SIENNA IS SHOWING EXCESSIVE WEAR ON THE OUTSIDE OF THE FRONT TIRES. ALIGNMENT CHECKED, IT IS FINE.
TL* THE CONTACT OWNS A 2018 TOYOTA SIENNA EQUIPPED WITH FOUR BRIDGESTONE TURANZA TIRES, SIZE: 235/55/18 (NA). THE CONTACT STATED THAT THE INSIDE SHOULDER OF EACH TIRE EXPERIENCED SEVERE WEAR. THE VEHICLE WAS TAKEN TO MY AUTO IMPORTS TOYOTA (1860 EAST STERNBURG RD, MUSKEGON, MI), BUT THE CAUSE OF THE FAILURE COULD NOT BE DETERMINED. THE TIRE MANUFACTURER WAS NOT NOTIFIED. THE TIRE AND VEHICLE FAILURE MILEAGE WAS 30,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026