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#BS-2020-CHEBLA-4CAA2020 Chevrolet BlazerProblems, Recalls & Reliability
Based on reports from 367 owners and 3 recalls for this exact model.
Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026
Preliminary Verdict
Think Twice
Based on 367 complaints, 9 crashes, 0 fires, and 3 recalls. Complaint rate is 1.6x the class average.
Top reported problems
shift to park displays even when car in park
2 complaints • Severity 9/10
rear lift gate keeps opening
1 complaints • Severity 10/10
unintended acceleration
1 complaints • Severity 10/10
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Mechanic Inspection Checklist
76 owners reported electrical issues — failures commonly reported around 49K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (20 reports) • Median: 49K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Electrical (76 reports).
Also in your report
Owner Intelligence
AI-synthesized themes from real complaints
Buyer Lot Checklist
Questions, test drive checks, walk-away triggers
Negotiation Talking Points
Data-backed dollar deductions
Buy / Skip Verdict
Final recommendation with conditions
Where the complaints fall
2020 Chevrolet Blazer: Known Issues & Problem Areas
Electrical Issues
Electrical complaints account for 21% of all reports filed for the 2020 Chevrolet Blazer, with 76 owners filing complaints with NHTSA. The median mileage at time of complaint is 49,000 miles, suggesting issues tend to surface around the 49K-mile mark.
Drivetrain Issues
Drivetrain complaints account for 20% of all reports filed for the 2020 Chevrolet Blazer, with 73 owners filing complaints with NHTSA. Owners should pay attention to drivetrain-related symptoms during test drives and pre-purchase inspections.
Engine Issues
Engine complaints account for 20% of all reports filed for the 2020 Chevrolet Blazer, with 72 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.
Steering Issues
Steering complaints account for 11% of all reports filed for the 2020 Chevrolet Blazer, with 42 owners filing complaints with NHTSA. Owners should pay attention to steering-related symptoms during test drives and pre-purchase inspections.
Data sourced from NHTSA owner complaints and community reports. The full report analyzes severity, repair costs, and failure patterns for each category.
Complaint trend by year
Complaints filed with NHTSA by year for the 2020 Chevrolet Blazer. Recent trend: stable.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (3 recalls)
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 (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.
POWER TRAIN: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 Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.
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 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.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
2020 Chevrolet Blazer NHTSA Safety Ratings
Overall
★★★★★5 of 5 stars
Frontal crash
★★★★★5 of 5 stars
Side crash
★★★★★5 of 5 stars
Rollover
★★★★★4 of 5 stars
From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.
The worst model year for the Chevrolet Blazer is the 1994 — worth knowing if you're cross-shopping years. The biggest problem area is engine.
2020 Chevrolet Blazer vs. Class Average (Small Sport Utility Vehicle 2WD)
This vehicle
367
Class avg
229
1.6x the class average — significantly more complaints than typical small sport utility vehicle 2wd vehicles.
Complaint counts correlate with sales volume — popular vehicles naturally generate more reports. The full report normalizes for this.
About this data
NHTSA Complaints
Federal database of owner-filed safety complaints. 367 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 3 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026; safety ratings from NHTSA's 5-Star program.
Other Chevrolet Blazer Model Years
2020 Chevrolet Blazer: Frequently Asked Questions
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Get the Full 2020 Chevrolet Blazer Report
10 sections of AI analysis based on 367 owner reports. Know before you buy.