There are 4 owner-reported tires & wheels complaints for the 2021 Chevrolet Blazerin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
Tires - purchased vehicle from car dealership two weeks ago. Drivers side rear tire low. Aired up was low again next day. Blow out On freeway tires are unsafe. Per Discount Tire said tire could not be repaired . all four tired unsafe, tread issue. Replaced two rear tires. Unknown when light came on. Tire size 265/45r21 dot A3LMWD 30
The contact owns a 2021 Chevrolet Blazer equipped with Continental Tires, Tire Line: Crosscontact LX Sport, Tire Size: 235/65/R18, DOT: (Unavailable). The contact stated that while driving at various speeds and driving over snow covered roads, the rear end was swaying. The tires were wearing from the inside out. The vehicle was taken to the local dealer where it was diagnosed that the tires needed to be replaced. The manufacturer was notified about the failure and offered to assist with the repair. The approximate failure mileage was 14,000.
The contact owns two 2021 Chevrolet Blazer equipped with Continental Tires, Tire Line: Crosscontact LX Sport, Tire Size: 235/65/R18, DOT Number: A3LMWD30. The contact stated that while his daughter was driving 30 MPH, the vehicle lost traction. The contact stated that the rear driver’s side tire low air warning light was illuminated. The contact stated he also experienced the same failure with his vehicle. The contact stated all eight tires were bald on both vehicles. The contact took both vehicles to the local dealer, where it was diagnosed with needing all eight tires to be replaced. The vehicle was not repaired. The manufacturer had been informed of the failure. The failure mileage was approximately 21,000.
The contact owns a 2021 Chevrolet Blazer equipped with Continental Tires, Tire Line: Crosscontact LX Sport, Tire Size: 235/65/R18, DOT Number: A3LMWD304920. The contact stated that the tread on all four tires were worn. The vehicle was taken to the dealer and the contact was informed that the tires needed to be replaced. The contact was informed that the VIN was not included in NHTSA Campaign Number: 20T018000 (Tires). The tires were not replaced. The manufacturer was contacted and confirmed that the tires were not included in the recall. The contact was advised to contact the NHTSA hotline to file a complaint. The failure mileage was 20,000.
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 25, 2026