Worst 2021 Chevrolet Blazer Problems
Top 3 most-reported issues with average mileage at failure.
Electrical Faults
Engine Problems
Brakes
Check the actual VIN — every car is different.
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer rollbacks. Full report just $4.99 (vs. Carfax $44.99).
All Problems by Category
Every NHTSA complaint category for the 2021 Chevrolet Blazer.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Electrical Faults | 34 | — | — | 29,227 mi | |
| Engine Problems | 32 | — | 1 | 32,000 mi | |
| Brakes | 17 | — | — | 306 mi | |
| Transmission / Drivetrain | 15 | — | — | 66,373 mi | |
| Steering Defects | 14 | 1 | — | 24,000 mi | |
| Fuel System | 12 | 1 | — | — | |
| Forward Collision Avoidance: Automatic Emergency Braking | 4 | 1 | — | — | |
| Suspension Failures | 3 | 1 | — | — | |
| Engine & Cooling | 2 | — | — | — | |
| Forward Collision Avoidance: Warnings | 2 | — | — | — | |
| Body Structure | 2 | — | 1 | — | |
| Tire Defects | 2 | — | — | — | |
| Tires:Tread/Belt | 2 | — | — | — | |
| Airbags | 1 | 1 | — | — | |
| Back Over Prevention: Rearview System Braking | 1 | — | — | — | |
| Electrical System:Cybersecurity | 1 | — | — | — | |
| Electrical System:Instrument Panel:Speedometer/Odometer | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Fan | 1 | — | — | — | |
| Equipment:Electrical:Infotainment | 1 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Forward Collision Avoidance: Crash Imminent Braking | 1 | — | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Lane Departure: Assist | 1 | — | — | — | |
| Lane Departure: Warning | 1 | — | — | — | |
| Seat-Related Issues | 1 | — | — | — | |
| Traction Control System | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2021 Chevrolet Blazer. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2021 Chevrolet Blazer
1 NHTSA recall campaign affecting ~470 vehicles.
General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.
Other Chevrolet Blazer Years
2021 Chevrolet Blazer — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2021 Chevrolet Blazer reliable?
What are common problems with the 2021 Chevrolet Blazer?
At what mileage do problems start on the 2021 Chevrolet Blazer?
How safe is the 2021 Chevrolet Blazer?
Does the 2021 Chevrolet Blazer have any recalls?
Should I buy a 2021 Chevrolet Blazer?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Chevrolet Blazer reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2021 Chevrolet Blazer
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
Check Any VIN — $4.99