Verdict
2020 Chevrolet Blazer: Complaints, Recalls & Known Issues
What the public record actually says about the 2020 Chevrolet Blazer — every figure below is a NHTSA or EPA number, not an opinion.
The read
More reported complaints than most SUV.
Owners filed 211 NHTSA complaints — more complaints than 79% of 2020 SUVs. Power Train leads the reports (28%). 3 safety recall campaigns on record — check the VIN and remedy terms with a dealer.
Based on NHTSA complaint volume against 2020 SUVs, not adjusted for how many were sold. It describes the model year, not the individual car you are looking at.
Complaints filed
211
Reports to NHTSA, 2020
Safety recalls
3
NHTSA campaigns on record
NHTSA crash test
Overall NCAP rating
Combined MPG
23
EPA estimate
Complaint volume vs. segment peers
More complaints than 79% of 2020 SUVs
The bar is this car's percentile among 2020 SUVs by complaint volume — a full bar means the fewest complaints in its class. Not adjusted for sales.
Known issues
Power Train issues lead owner complaints (28% of 211 reports), followed by steering (19%).
+ 4 more component categories with fewer reports.
Share of all 211 NHTSA complaints for this model year, grouped by the component owners named. Bars are scaled to the largest category. Examples: ODI 11749874, ODI 11744816, ODI 11743467, ODI 11740390, ODI 11724826.
Recalls(3)
Open a recall to read what NHTSA says is wrong, what can happen, and how it gets fixed. Check the VIN and remedy eligibility with a dealer; federal no-charge requirements have an age limit, though a manufacturer may offer more coverage.
Air Bags · 20V446000Details +Close −
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.
Risk: 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.
Power Train · 20V668000Details +Close −
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.
Risk: 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.
Tires · 21V115000Details +Close −
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.
Risk: 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.
A campaign can apply to this model year without being incomplete on a specific vehicle. Check the VIN with NHTSA or a dealer to confirm whether a particular car needs repair.
Investigations
0 NHTSA investigations on record
No investigations are on record as of Jul 2026. An empty record is not a clean bill of health.
Crash-test ratings
2020 Chevrolet Blazer SUV FWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
2020 Chevrolet Blazer SUV AWD NHTSA source
- Overall
- Frontal
- Side
- Rollover
Fuel economy by trim
| Trim | Engine | Drivetrain | Transmission | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| Blazer FWD | 2.0L 4-cyl | Front-Wheel Drive | Automatic 9-spd | 21 | 28 | 24 |
| Blazer FWD | 2.5L 4-cyl | Front-Wheel Drive | Automatic 9-spd | 21 | 27 | 23 |
| Blazer AWD | 2.0L 4-cyl | All-Wheel Drive | Automatic 9-spd | 21 | 27 | 23 |
| Blazer FWD | 3.6L 6-cyl | Front-Wheel Drive | Automatic 9-spd | 19 | 26 | 21 |
| Blazer AWD | 3.6L 6-cyl | All-Wheel Drive | Automatic 9-spd | 18 | 25 | 21 |
EPA laboratory estimates by trim and engine. Actual mileage varies with driving, weather, load, and maintenance. EPA source.
Before you buy
Useful next checks
Federal records tell you about patterns. These checks can tell you more about the specific car in front of you.
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Compare model years
"Fewest reports" and "most complained" describe raw NHTSA complaint totals, not vehicle reliability. The last few model years are left unlabelled because they have had less road time.
2020 Chevrolet Blazer: frequently asked
What does the complaint record show for the 2020 Chevrolet Blazer?
Owners filed 211 NHTSA complaints about the 2020 Chevrolet Blazer — more complaints than 79% of comparable 2020 SUVs, so it sits toward the weaker end of its class. That's a signal, not a guarantee about any single car.
What are the most common problems on the 2020 Chevrolet Blazer?
The most-reported problem areas are Power Train (28% of complaints) and steering (19%).
How many recalls does the 2020 Chevrolet Blazer have?
3 recalls have been issued that affect the 2020 Chevrolet Blazer, covering components such as air bags. Check the VIN with NHTSA and ask a dealer to confirm remedy eligibility; federal no-charge requirements have an age limit, though manufacturers may offer more coverage.
What gas mileage does the 2020 Chevrolet Blazer get?
The EPA rates the 2020 Chevrolet Blazer between 21 and 24 mpg combined, depending on trim and drivetrain.