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#BS-2021-CHEBLA-4CAA

2021 Chevrolet Blazer

Based on reports from 167 owners and 1 recall for this exact model.

Complaints

167

Crashes

Fires

Recalls

TSBs

801

🟡

Preliminary Verdict

Think Twice

Based on 167 complaints, 5 crashes, 3 fires, and 1 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the ElectricalHIGH

32 owners reported electrical issues — failures commonly reported around 35K miles.

!Inspect the EngineMED

Look for symptoms of wear and premature failure

+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

0–30K

30–60K

60–90K

90–120K

120–150K

150K+

Peak failure range: 0–30K miles (12 reports) • Median: 35K miles

Full report: which components fail at each mileageUnlock

30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX

Top cost driver: Electrical (32 reports).

Includes fuel costs, common repairs, and recall riskUnlock

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

10 sections total in the full reportUnlock all

Where the complaints fall

Electrical32 (19%)

Engine31 (19%)

Other18 (11%)

Brakes17 (10%)

Steering14 (8%)

Drivetrain13 (8%)

Fuel System13 (8%)

Forward Collision Avoidance: Automatic Emergency Braking4 (2%)

2021 Chevrolet Blazer: Known Issues & Problem Areas

Electrical Issues

Electrical complaints account for 19% of all reports filed for the 2021 Chevrolet Blazer, with 32 owners filing complaints with NHTSA. The median mileage at time of complaint is 34,980 miles, suggesting issues tend to surface around the 35K-mile mark.

Engine Issues

Engine complaints account for 19% of all reports filed for the 2021 Chevrolet Blazer, with 31 owners filing complaints with NHTSA. Owners should pay attention to engine-related symptoms during test drives and pre-purchase inspections.

Brakes Issues

Brakes complaints account for 10% of all reports filed for the 2021 Chevrolet Blazer, with 17 owners filing complaints with NHTSA. Owners should pay attention to brakes-related symptoms during test drives and pre-purchase inspections.

Steering Issues

Steering complaints account for 8% of all reports filed for the 2021 Chevrolet Blazer, with 14 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 2021 Chevrolet Blazer. Recent trend: decreasing.

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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Recall History (1 recall)

20V811000Jan 2021

SEAT BELTS:CRITICAL FASTENERS

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

Recall severity analysis & seller scripts

The full report rates each recall's severity and gives you scripts for asking the seller about recall completion.

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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.

2021 Chevrolet Blazer vs. Class Average (Small Sport Utility Vehicle 2WD)

This vehicle

167

Class avg

172

Complaint volume is roughly in line with other small sport utility vehicle 2wd 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. 167 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 1 recall found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Other Chevrolet Blazer Model Years

View all Chevrolet Blazer years →

2021 Chevrolet Blazer: Frequently Asked Questions

What is the most common problem with the 2021 Chevrolet Blazer?

The most commonly reported issue with the 2021 Chevrolet Blazer is related to the electrical, with 32 complaints filed with NHTSA.

Is the 2021 Chevrolet Blazer reliable?

The 2021 Chevrolet Blazer has 167 complaints, 5 crash reports, and 3 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.

How much does it cost to fix 2021 Chevrolet Blazer problems?

Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.

Does the 2021 Chevrolet Blazer have any recalls?

Yes, the 2021 Chevrolet Blazer has 1 recall on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.

What mileage do Chevrolet Blazer problems start?

Based on 24 complaints with mileage data, the median mileage at time of complaint is 34,980 miles. The highest concentration of reported issues occurs in the 0–30K mile range. The full report breaks down exactly which components fail at each mileage bracket.

What’s in the full report?

10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.

How is this different from free NHTSA data?

NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.

How is this different from Carfax?

Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.

What if the report isn’t useful?

100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.