2020 Chevrolet Blazer Reliability
The 2020 Chevrolet Blazer has 224 owner complaints and 3 recall campaigns on file with NHTSA, most often about electrical system and powertrain / transmission. Compared with nearby Blazer model years (2019–2022), it rates as a year to avoid: its complaint rate runs well above the Blazer's typical year, while the 2022 has a cleaner record.
By CarWhere Research · Updated 2026-11-04 · Source: NHTSA
224
NHTSA owner complaints
3
Recall campaigns
5
Complaints citing a crash
1
Complaints citing a fire
2020 Chevrolet Blazer complaints by component
Owner complaints filed with NHTSA for the 2020 model year, filed between 2020 and 2026. A complaint can name more than one component.
| Component | Complaints | Share of complaints |
|---|---|---|
| Electrical system | 78 | 35% |
| Powertrain / transmission | 75 | 33% |
| Engine | 71 | 32% |
| Unknown or other | 57 | 25% |
| Steering | 43 | 19% |
| Service brakes | 11 | 5% |
| Lane departure | 5 | 2% |
| Speed control / throttle | 4 | 2% |
2020 Chevrolet Blazer recalls
3 recall campaigns on NHTSA record for the 2020 model year, by the date NHTSA received the manufacturer's report. Recall repairs are free at a dealer.
| NHTSA campaign | Date | Component | Summary |
|---|---|---|---|
| 20V446000 | Jul 30, 2020 | Air bags — side/window / curtain / inflator | General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag… |
| 20V668000 | Oct 29, 2020 | Powertrain / transmission — automatic transmission | General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC… |
| 21V115000 | Feb 25, 2021 | Tires | General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC… |
How the 2020 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 (this page) | 224 | 3 | Electrical system | Avoid |
| 2021 | 141 | 1 | Engine | Solid |
| 2022 | 55 | 1 | Electrical system | Solid |
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 2020 Chevrolet Blazer on the used market
- Median asking price $19,500 at a median 83,095 miles, across 944 live US dealer listings in CarWhere's depreciation study.
What to check on a used 2020 Chevrolet Blazer
- 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.
- Engine: cold-start it yourself, listen for ticking or knocking, check for oil leaks and oil consumption, and ask for oil-change records.
- Steering: check for a steering warning light, heavy or notchy steering and clunks over bumps; power-steering faults show up at low speed.
- Recalls: confirm each of the 3 campaigns 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 2020 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.
2020 Chevrolet Blazer reliability FAQ
Is the 2020 Chevrolet Blazer reliable?
The 2020 Chevrolet Blazer has 224 owner complaints and 3 recall campaigns on file with NHTSA, most often about electrical system and powertrain / transmission. Compared with nearby Blazer model years (2019–2022), it rates as a year to avoid: its complaint rate runs well above the Blazer's typical year, while the 2022 has a cleaner record.
What are the most common 2020 Chevrolet Blazer problems?
The most-reported problem areas in NHTSA owner complaints for the 2020 Chevrolet Blazer are electrical system (78), powertrain / transmission (75), engine (71), unknown or other (57). One complaint can name more than one component.
Does the 2020 Chevrolet Blazer have recalls?
NHTSA lists 3 recall campaigns for the 2020 Chevrolet Blazer, including 20V446000 (air bags — side/window / curtain / inflator) and 20V668000 (powertrain / transmission — automatic transmission). Recall repairs are free at a dealer, and whether one was done is tracked by VIN.
How does the 2020 Chevrolet Blazer compare with the 2019 and 2021 models?
By NHTSA records, the 2019 has 190 complaints and 2 recalls (caution); the 2021 has 141 complaints and 1 recall (solid). The 2020 has 224 complaints and 3 recalls.
How do I check a specific used 2020 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 2020 Blazer, de-duplicated by complaint number) and NHTSA recall campaigns, retrieved 2026-11-04.