Recalls (3)
NHTSA lists 3 recall campaigns for the 2020 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 ↗Tire Failure may Cause Sudden Air Loss
- Summary
- 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 Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.
- Consequence
- Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss. Either condition can cause a loss of vehicle control, increasing the risk of a crash.
- Remedy
- GM will notify owners, and dealers will inspect the tires, replacing them as necessary, free of charge. The recall began March 22, 2021. Owners may contact GMC customer service at 1-888-988-7267, Buick customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N212329050.
Missing Bolts on Start/Stop Accumulator
- Summary
- 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 Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
- Consequence
- Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
- Remedy
- GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
Roof Rail Air Bag May Not Deploy
- Summary
- 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 (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
- Consequence
- If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
- Remedy
- GM will notify owners, and dealers will replace the suspect RRAB modules, free of charge. The recall began September 3, 2020. Owners may contact Chevrolet customer service at 1-800-630-2438, Cadillac customer service at 1-800-333-4223, or Buick customer service at 1-800-521-7300. GM's number for this recall is N202305380.
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 (220)
220 complaints filed with NHTSA (owner reports, not verified findings). The electrical system is mentioned most often.
As reported by owners in their complaints. These are reports, not NHTSA findings.
Most-reported components
| Component | Complaints | % of 220 |
|---|---|---|
| Electrical system | 76 | 34.5% |
| Power train | 73 | 33.2% |
| Engine | 69 | 31.4% |
| Unknown or other | 57 | 25.9% |
| Steering | 41 | 18.6% |
| Service brakes | 11 | 5% |
| Lane departure | 5 | 2.3% |
| Fuel/propulsion system | 4 | 1.8% |
| Suspension | 4 | 1.8% |
| Vehicle speed control | 4 | 1.8% |
How 2020 compares with other Blazer years
Best and worst Blazer years →| Model year | Complaints | Recall campaigns |
|---|---|---|
| 2006 | 19 | 0 |
| 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 |
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), 2020 Chevrolet Blazer suv fwd, retrieved Oct 6, 2026.
Fuel economy: up to 24 mpg combined
- EPA annual fuel cost
- $2,800
- CO₂ tailpipe
- 362 g/mi
- EPA class
- Small Sport Utility Vehicle
What it costs you to run
Miles ÷ 24 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 | 21 / 28 / 24 | $2,800 | 362 |
| 2.5 L 4-cyl · 9-speed automatic | Front-Wheel Drive | 21 / 27 / 23 | $2,900 | 382 |
| 2 L 4-cyl · 9-speed automatic | All-Wheel Drive | 21 / 27 / 23 | $2,900 | 374 |
| 3.6 L 6-cyl · 9-speed automatic | Front-Wheel Drive | 19 / 26 / 21 | $3,200 | 414 |
| 3.6 L 6-cyl · 9-speed automatic | All-Wheel Drive | 18 / 25 / 21 | $3,200 | 433 |
Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.
Looking at a 2020 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
2020 Chevrolet Blazer FAQ
How many recalls does the 2020 Chevrolet Blazer have?
NHTSA lists 3 recall campaigns: 21V115000 (tire), 20V668000 (power train), 20V446000 (air bag). Use NHTSA's VIN lookup to see whether a specific car was repaired.
What are the most common 2020 Chevrolet Blazer problems?
Owners filed 220 complaints with NHTSA. Electrical system (76), Power train (73), Engine (69) are mentioned most. These are owner reports, not verified findings.
What mpg does the 2020 Chevrolet Blazer get?
EPA rates the 2 L 4-cyl · 9-speed automatic version at 21 city, 28 highway and 24 combined mpg. Other configurations are listed in the fuel economy section.
What safety rating did the 2020 Chevrolet Blazer get?
NHTSA rated the 2020 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 2020 Blazer compare with other years?
Among the 2006–2021 Chevrolet Blazer model years at least five years old, the 2008 drew the fewest complaints (5) and the 2020 the most (220). The 2020 drew 220. 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.