2020 Chevrolet Blazer Problems

Typical for Model

Real NHTSA owner complaints for the 2020 Chevrolet Blazer.

20192021
Complaints
299
per 10K Sold
31.6
US Sales
94,598
Crashes
9
Fires
0
Injuries
14
Fatalities
Recalls
3

Worst 2020 Chevrolet Blazer Problems

Top 3 most-reported issues with average mileage at failure.

#166 complaints

Transmission / Drivetrain

Avg mileage:51,031 mi
#261 complaints

Electrical Faults

Avg mileage:27,067 mi
#356 complaints

Engine Problems

Avg mileage:36,660 mi
Crash-related:1
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All Problems by Category

Every NHTSA complaint category for the 2020 Chevrolet Blazer.

Transmission / Drivetrain
66
complaints
Crashes
Fires
Avg Miles
51,031
Electrical Faults
61
complaints
Crashes
Fires
Avg Miles
27,067
Engine Problems
56
complaints
Crashes
1
Fires
Avg Miles
36,660
Steering Defects
31
complaints
Crashes
Fires
Avg Miles
23,933
Brakes
6
complaints
Crashes
1
Fires
Avg Miles
4,982
Suspension Failures
4
complaints
Crashes
1
Fires
Avg Miles
Fuel System
3
complaints
Crashes
1
Fires
Avg Miles
Tire Defects
3
complaints
Crashes
Fires
Avg Miles
Unintended Acceleration
3
complaints
Crashes
Fires
Avg Miles
Wheel Issues
3
complaints
Crashes
1
Fires
Avg Miles
Airbags
2
complaints
Crashes
2
Fires
Avg Miles
Engine & Cooling
2
complaints
Crashes
Fires
Avg Miles
Lane Departure: Assist
2
complaints
Crashes
Fires
Avg Miles
Lane Departure: Blind Spot Detection
2
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Adaptive Cruise Control
1
complaints
Crashes
Fires
Avg Miles
Forward Collision Avoidance: Automatic Emergency Braking
1
complaints
Crashes
Fires
Avg Miles
Gasoline Fuel System
1
complaints
Crashes
Fires
Avg Miles
Automatic Transmission
1
complaints
Crashes
Fires
Avg Miles
Seat-Related Issues
1
complaints
Crashes
1
Fires
Avg Miles
Hydraulic Brakes
1
complaints
Crashes
Fires
Avg Miles
Body Structure
1
complaints
Crashes
Fires
Avg Miles

Search Owner Complaints

Read what owners actually reported to NHTSA for the 2020 Chevrolet Blazer. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.

Recalls for 2020 Chevrolet Blazer

3 NHTSA recall campaigns affecting ~228,712 vehicles.

21V115000Tires
~33,838 affected

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.

20V668000Automatic Transmission
~194,105 affected

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.

20V446000Air Bags:side/window:curtain:inflator
~769 affected

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.

Other Chevrolet Blazer Years

2020 Chevrolet Blazer — FAQ

Answers based on real NHTSA complaint and recall data for this specific model year.

Is the 2020 Chevrolet Blazer reliable?
Verdict: Typical for Model. The 2020 Chevrolet Blazer has 299 NHTSA complaints, 9 crash-related, and 3 recall campaigns. The most common issue is Transmission / Drivetrain with 66 complaints. Source: NHTSA via VinItel.
What are common problems with the 2020 Chevrolet Blazer?
Top reported problems: Transmission / Drivetrain (66 complaints, avg 51,031 mi); Electrical Faults (61 complaints, avg 27,067 mi); Engine Problems (56 complaints, avg 36,660 mi). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2020 Chevrolet Blazer?
The weighted average mileage at time of complaint is about 35,654 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
How safe is the 2020 Chevrolet Blazer?
NHTSA complaints for the 2020 Chevrolet Blazer include 9 crash-related reports, 0 fire reports, 14 injuries, and 0 fatalities. These are owner-reported incidents, not official crash-test ratings — a complaint being filed doesn't confirm a defect, but clusters around specific components are worth investigating.
Does the 2020 Chevrolet Blazer have any recalls?
Yes — 3 NHTSA recall campaigns affecting an estimated 228,712 vehicles. Recalls are free to fix at the dealer. Always verify by VIN whether the specific car you're looking at has had its recalls addressed.
Should I buy a 2020 Chevrolet Blazer?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.

Wider context: See the full Chevrolet Blazer reliability report with year-by-year comparison and generation analysis.

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