Recalls (1)
NHTSA lists 1 recall campaign for the 2021 Chevrolet Blazer. Check whether yours was repaired with NHTSA's free VIN lookup ↗
Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.
Check on NHTSA ↗Incorrect Bolts Used To Attach Seat Belts
- Summary
- 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.
- Consequence
- If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
- Remedy
- GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.
PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.
Owner complaints (136)
136 complaints filed with NHTSA (owner reports, not verified findings). The engine is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 136 |
|---|---|---|
| Engine | 42 | 30.9% |
| Electrical system | 39 | 28.7% |
| Service brakes | 20 | 14.7% |
| Unknown or other | 20 | 14.7% |
| Power train | 18 | 13.2% |
| Fuel/propulsion system | 17 | 12.5% |
| Steering | 15 | 11% |
| Forward collision avoidance | 7 | 5.1% |
| Tires | 5 | 3.7% |
| Suspension | 4 | 2.9% |
How 2021 compares with other Blazer years
Best and worst Blazer years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2007 | 9 | 0 |
| 2008 | 5 | 0 |
| 2019 | 186 | 2 |
| 2020 | 220 | 3 |
| 2021 | 136 | 1 |
| 2022 | 51 | 1 |
| 2023 | 43 | 2 |
| 2024 | 48 | 1 |
| 2025 | 32 | 1 |
| 2026 | 1 | 0 |
Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.
Crash tests: 5 stars overall
Source: NHTSA 5-Star Safety Ratings (NCAP), 2021 Chevrolet Blazer suv fwd, retrieved Oct 6, 2026.
Fuel economy: up to 25 mpg combined
- EPA annual fuel cost
- $2,700
- CO₂ tailpipe
- 349 g/mi
- EPA class
- Small Sport Utility Vehicle
What it costs you to run
Miles ÷ 25 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.
EPA label estimates from lab tests; your mileage will vary.
Specs by configuration
| Engine · transmission | Drive | City / Hwy / Comb | EPA $/yr | CO₂ g/mi |
|---|---|---|---|---|
| 2 L 4-cyl · 9-speed automatic | Front-Wheel Drive | 22 / 29 / 25 | $2,700 | 349 |
| 2 L 4-cyl · 9-speed automatic | All-Wheel Drive | 22 / 27 / 24 | $2,800 | 362 |
| 2.5 L 4-cyl · 9-speed automatic | Front-Wheel Drive | 21 / 27 / 23 | $2,900 | 382 |
| 3.6 L 6-cyl · 9-speed automatic | Front-Wheel Drive | 20 / 27 / 22 | $3,050 | 404 |
| 3.6 L 6-cyl · 9-speed automatic | All-Wheel Drive | 19 / 26 / 21 | $3,200 | 413 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2021 Blazer for sale?
Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.
Where to next
2021 Chevrolet Blazer FAQ
How many recalls does the 2021 Chevrolet Blazer have?
NHTSA lists 1 recall campaign: 20V811000 (seat belt). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2021 Chevrolet Blazer problems?
Owners filed 136 complaints with NHTSA. Engine (42), Electrical system (39), Service brakes (20) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2021 Chevrolet Blazer get?
EPA rates the 2 L 4-cyl · 9-speed automatic version at 22 city, 29 highway and 25 combined mpg. Other configurations are listed in the fuel economy section.
What safety rating did the 2021 Chevrolet Blazer get?
NHTSA rated the 2021 Chevrolet Blazer suv fwd 5 stars overall, with 5 stars frontal, 5 stars side and 4 stars rollover (15.5% rollover risk).
How does the 2021 Blazer compare with other years?
Among the 2007–2021 Chevrolet Blazer model years at least five years old, the 2008 drew the fewest complaints (5) and the 2020 the most (220). The 2021 drew 136. Counts are owner reports, not failure rates.
How this page was madeSources, processing, limits, review and changes
Data sources
- NHTSA recalls by vehicle
Retrieved Oct 6, 2026 - US DOT recall completion rates (data.transportation.gov)
Retrieved Oct 6, 2026 - NHTSA ODI owner complaints
Retrieved Oct 6, 2026 - NHTSA NCAP 5-Star Safety Ratings
Retrieved Oct 6, 2026 - EPA fuel economy data (licence confirmation pending)
Retrieved Oct 6, 2026 - EIA weekly retail gasoline prices
Weekly, all taxes included
Processing
- Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
- Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.
Limitations
- Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
- Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
- Recent model years are still collecting reports.
Review
Data compiled automatically from the official files listed here.
Changelog
- 2026-10-06 Data refreshed from the official files.