2021 Chevrolet Blazer Reliability
The 2021 Chevrolet Blazer has 141 owner complaints and 1 recall campaign on file with NHTSA, most often about engine and electrical system. Compared with nearby Blazer model years (2019–2023), it rates as a solid year: complaints are in line with the Blazer's typical year, while the 2020 drew 224 complaints.
By CarWhere Research · Updated 2026-11-04 · Source: NHTSA
141
NHTSA owner complaints
1
Recall campaigns
6
Complaints citing a crash
1
Complaints citing a fire
2021 Chevrolet Blazer complaints by component
Owner complaints filed with NHTSA for the 2021 model year, filed between 2021 and 2026. A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Engine | 43 | 30% |
| Electrical system | 40 | 28% |
| Unknown or other | 23 | 16% |
| Powertrain / transmission | 20 | 14% |
| Service brakes | 20 | 14% |
| Fuel / propulsion system | 17 | 12% |
| Steering | 15 | 11% |
| Forward collision avoidance | 8 | 6% |
2021 Chevrolet Blazer recalls
1 recall campaign on NHTSA record for the 2021 model year, by the date NHTSA received the manufacturer's report. Recall repairs are free at a dealer.
| NHTSA campaign | Date | Component | Summary |
|---|---|---|---|
| 20V811000 | Dec 23, 2020 | Seat belts | 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,… |
How the 2021 compares with nearby Blazer years
Verdicts compare these Blazer model years with each other.
| Model year | Complaints | Recalls | Most-reported area | Verdict |
|---|---|---|---|---|
| 2019 | 190 | 2 | Powertrain / transmission | Caution |
| 2020 | 224 | 3 | Electrical system | Avoid |
| 2021 (this page) | 141 | 1 | Engine | Solid |
| 2022 | 55 | 1 | Electrical system | Solid |
| 2023 | 44 | 2 | Engine | Caution |
Complaints are unverified owner reports filed with NHTSA and are not adjusted for how many of each year were sold, so they compare years of the same model rather than different models.
The 2021 Chevrolet Blazer on the used market
- Median asking price $20,580 at a median 75,210 miles, across 958 live US dealer listings in CarWhere's depreciation study.
What to check on a used 2021 Chevrolet Blazer
- Engine: cold-start it yourself, listen for ticking or knocking, check for oil leaks and oil consumption, and ask for oil-change records.
- Electrical: test every light, window, lock, the infotainment screen and the charging system; scan for stored fault codes.
- Transmission: test-drive from cold through every gear, feel for slipping, harsh or delayed shifts and shudder, and ask whether the fluid has been serviced.
- Brakes: check pedal feel, pulling and grinding, and look at rotor and pad wear; ask when the brake fluid was last changed.
- Recalls: confirm each of the 1 campaign above was completed on this VIN; open recalls are repaired free at a dealer.
- History: run the VIN for salvage, theft and odometer records, and have an independent mechanic inspect the car before you pay.
Check this exact car
Any 2021 Chevrolet Blazer can be better or worse than its model year. The CarWhere Used Car Report checks one VIN for salvage records, salvage-auction records (with damage photos when the auction published them), stolen-vehicle records, the odometer trail and its listing and price history since 2015. Free preview first; the full report is $12.99, one time.
2021 Chevrolet Blazer reliability FAQ
Is the 2021 Chevrolet Blazer reliable?
The 2021 Chevrolet Blazer has 141 owner complaints and 1 recall campaign on file with NHTSA, most often about engine and electrical system. Compared with nearby Blazer model years (2019–2023), it rates as a solid year: complaints are in line with the Blazer's typical year, while the 2020 drew 224 complaints.
What are the most common 2021 Chevrolet Blazer problems?
The most-reported problem areas in NHTSA owner complaints for the 2021 Chevrolet Blazer are engine (43), electrical system (40), unknown or other (23), powertrain / transmission (20). One complaint can name more than one component.
Does the 2021 Chevrolet Blazer have recalls?
NHTSA lists 1 recall campaign for the 2021 Chevrolet Blazer, including 20V811000 (seat belts). Recall repairs are free at a dealer, and whether one was done is tracked by VIN.
How does the 2021 Chevrolet Blazer compare with the 2020 and 2022 models?
By NHTSA records, the 2020 has 224 complaints and 3 recalls (avoid); the 2022 has 55 complaints and 1 recall (solid). The 2021 has 141 complaints and 1 recall.
How do I check a specific used 2021 Chevrolet Blazer?
Run its VIN. The CarWhere Used Car Report checks one VIN for salvage records, salvage-auction records (with damage photos when the auction published them), stolen-vehicle records, the odometer trail and its listing and price history since 2015, with a free preview first and the full report at $12.99, one time. Pair it with an independent pre-purchase inspection.
More Chevrolet Blazer research
Other Chevrolet Blazer model years:
Sources: NHTSA Office of Defects Investigation owner complaints (all body-style listings for the 2021 Blazer, de-duplicated by complaint number) and NHTSA recall campaigns, retrieved 2026-11-04.