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#BS-2021-CHETRA-52BA2021 Chevrolet Trailblazer
Based on reports from 227 owners and 4 recalls for this exact model.
Preliminary Verdict
Think Twice
Based on 227 complaints, 17 crashes, 5 fires, and 4 recalls.
Top reported problems
fuel issue
2 complaints • Severity 6/10
brakes are grinding squealing
1 complaints • Severity 8/10
55 mph with 4000 rpm
1 complaints • Severity 8/10
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Mechanic Inspection Checklist
33 owners reported drivetrain issues — failures commonly reported around 17K miles.
Failure Timeline by Mileage
Peak failure range: 0–30K miles (24 reports) • Median: 17K miles
30,000-Mile Cost Projection
Best Case
Most Likely
Worst Case
Top cost driver: Drivetrain (33 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
2021 Chevrolet Trailblazer: Known Issues & Problem Areas
Drivetrain Issues
Drivetrain complaints account for 15% of all reports filed for the 2021 Chevrolet Trailblazer, with 33 owners filing complaints with NHTSA. The median mileage at time of complaint is 16,600 miles, suggesting issues tend to surface around the 17K-mile mark.
Electrical Issues
Electrical complaints account for 13% of all reports filed for the 2021 Chevrolet Trailblazer, with 30 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.
Brakes Issues
Brakes complaints account for 11% of all reports filed for the 2021 Chevrolet Trailblazer, with 26 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.
Engine Issues
Engine complaints account for 11% of all reports filed for the 2021 Chevrolet Trailblazer, with 26 owners filing complaints with NHTSA. Owners should pay attention to engine-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 2021 Chevrolet Trailblazer. Recent trend: decreasing.
Don't negotiate blind — know what this car costs to own
Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict
Recall History (4 recalls)
EQUIPMENT:OTHER:LABELS
General Motors LLC (GM) is recalling certain 2021 Chevrolet Trailblazer vehicles factory-equipped with optional 17-inch sport terrain tires. The certification label on these vehicles does not provide the tire size and cold tire pressure information for front and rear tires, as required. As such, these vehicles fail to comply with Federal Motor Vehicle Safety Standard Number 110, "Tire Selection and Rims."
SEATS:CRITICAL FASTENERS
General Motors LLC (GM) is recalling certain 2020 Buick Encore GX and 2021 Chevrolet Trailblazer vehicles. The rear attachment bolts of one or both front seats may not have been installed.
SERVICE BRAKES
General Motors LLC (GM) is recalling certain 2020 Chevrolet Corvette and Cadillac CT4, CT5 and XT4, 2021 Chevrolet Trailblazer, and 2020-2021 Buick Encore GX vehicles. Sensor connection contamination in the electronic brake boost system may cause an interruption of communication between the sensor and the brake boost system.
EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT:STAND
General Motors, LLC. (GM) is recalling certain 2020-2022 Buick Encore GX and 2021-2022 Chevrolet Trailblazer vehicles. The emergency jack, if not positioned as directed in the vehicle owner's manual, can fracture while in use.
Recall severity analysis & seller scripts
The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.
The worst model year for the Chevrolet Trailblazer is the 2002 — worth knowing if you're cross-shopping years. The biggest problem area is accessories - interior.
2021 Chevrolet Trailblazer vs. Class Average (Small Sport Utility Vehicle 4WD)
This vehicle
227
Class avg
247
Complaint volume is roughly in line with other small sport utility vehicle 4wd vehicles from 2021.
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. 227 records for this vehicle.
NHTSA Recalls
Manufacturer-issued safety recalls. 4 recalls found for this vehicle.
Repair Cost Data
Real-world repair costs from owner reports and independent databases.
Other Chevrolet Trailblazer Model Years
2021 Chevrolet Trailblazer: Frequently Asked Questions
What is the most common problem with the 2021 Chevrolet Trailblazer?
Is the 2021 Chevrolet Trailblazer reliable?
How much does it cost to fix 2021 Chevrolet Trailblazer problems?
Does the 2021 Chevrolet Trailblazer have any recalls?
What mileage do Chevrolet Trailblazer problems start?
What’s in the full report?
How is this different from free NHTSA data?
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Get the Full 2021 Chevrolet Trailblazer Report
10 sections of AI analysis based on 227 owner reports. Know before you buy.