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#BS-2006-CHETRA-7406

2006 Chevrolet Trailblazer Ext

Based on reports from 238 owners and 6 recalls for this exact model.

Complaints
238
Crashes
2
Fires
3
Recalls
6
TSBs
169
🟡

Preliminary Verdict

Think Twice

Based on 238 complaints, 2 crashes, 3 fires, and 6 recalls. This is the worst model year for this vehicle.

See full verdict with buy/skip conditions

Top reported problems

1

faulty fuel gauge sensor

3 complaints • Severity 8/10

$X,XXX
2

excessive oil consumption

2 complaints • Severity 10/10

$X,XXX
3

third brake light spoiler flew off

1 complaints • Severity 6/10

$X,XXX

Preview: What's in your full report

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Mechanic Inspection Checklist

!Check the Fuel SystemHIGH

123 owners reported fuel system issues — failures commonly reported around 56K miles.

!Inspect the ElectricalMED
Look for symptoms of wear and premature failure
+ 6 more items in full checklistUnlock

Failure Timeline by Mileage

16
0–30K
93
30–60K
59
60–90K
23
90–120K
12
120–150K
5
150K+

Peak failure range: 30–60K miles (93 reports) • Median: 56K 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: Fuel System (123 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

Fuel System123 (52%)
Electrical37 (16%)
Lights11 (5%)
Fuel System, Other:storage:fuel Gauge System8 (3%)
Visibility5 (2%)
Structure4 (2%)
Electrical System: Instrument Cluster/panel3 (1%)
Structure:body3 (1%)

2006 Chevrolet Trailblazer Ext: Known Issues & Problem Areas

Fuel System Issues

Fuel System complaints account for 52% of all reports filed for the 2006 Chevrolet Trailblazer Ext, with 123 owners filing complaints with NHTSA. The median mileage at time of complaint is 56,000 miles, suggesting issues tend to surface around the 56K-mile mark.

Electrical Issues

Electrical complaints account for 16% of all reports filed for the 2006 Chevrolet Trailblazer Ext, with 37 owners filing complaints with NHTSA. Owners should pay attention to electrical-related symptoms during test drives and pre-purchase inspections.

Lights Issues

Lights complaints account for 5% of all reports filed for the 2006 Chevrolet Trailblazer Ext, with 11 owners filing complaints with NHTSA. Owners should pay attention to lights-related symptoms during test drives and pre-purchase inspections.

Fuel System, Other:storage:fuel Gauge System Issues

Fuel System, Other:storage:fuel Gauge System complaints account for 3% of all reports filed for the 2006 Chevrolet Trailblazer Ext, with 8 owners filing complaints with NHTSA. Owners should pay attention to fuel system, other:storage:fuel gauge system-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

3
06
5
07
17
08
26
09
48
10
68
11
33
12
5
13
14
14
6
15
9
16
1
17
1
18
2
19

Complaints filed with NHTSA by year for the 2006 Chevrolet Trailblazer Ext. Recent trend: increasing.

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

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Recall History (6 recalls)

05V455000Oct 2005

STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS

CERTAIN PASSENGER VEHICLES MAY HAVE BEEN BUILT WITH A POWER STEERING HOSE THAT IS NOT TO SPECIFICATION. UNDER EXTREME STEERING MANEUVERS, SUCH AS TURNING THE STEERING WHEEL FULLY TO THE LEFT OR RIGHT WHILE BRAKING, THE HOSE MAY FRACTURE AND LEAK FLUID.

05V552000Mar 2006

EQUIPMENT:OTHER:LABELS

CERTAIN TRUCKS AND SPORT UTILITY VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, "TIRE SELECTION AND RIMS." THESE VEHICLES WERE SHIPPED WITH TIRE AND LOADING INFORMATION LABELS LISTING AN INACCCURATE VEHICLE CAPACITY WEIGHT.

13V248000Aug 2013

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

General Motors (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt components of the door module, producing odor, smoke, or a fire.

14V404000Oct 2014

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

General Motors LLC (GM) is recalling certain model year 2005-2007 SAAB 9-7x; 2006 Chevrolet Trailblazer EXT and GMC Envoy XL; and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier and Isuzu Ascender vehicles. Fluid may enter the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board. A short may cause the power door lock and power window switches to function intermittently or become inoperative. The short may also cause overheating, which could melt components of the door module, producing odor, smoke, or a fire.

15V519000May 2016

EXTERIOR LIGHTING:HEADLIGHTS

General Motors LLC (GM) is recalling certain model year 2007 Pontiac Grand Prix, 2006-2009 Buick LaCrosse, 2006-2007 Buick Rainier, Chevrolet Trailblazer, GMC Envoy, 2006 Chevrolet Trailblazer EXT, GMC Envoy XL, 2006-2008 Isuzu Ascender, and Saab 9-7x vehicles. In the affected vehicles, the headlamp driver module (HDM) may overheat and fail, causing the headlamps and daytime running lights to not illuminate.

+ 1 more recall in the full report

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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This is the worst model year for the Chevrolet Trailblazer Ext according to owner complaint data. The biggest problem area is engine.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 238 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 6 recalls found for this vehicle.

Repair Cost Data

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

Other Chevrolet Trailblazer Ext Model Years

2009200820072006200420032002
View all Chevrolet Trailblazer Ext years →

2006 Chevrolet Trailblazer Ext: Frequently Asked Questions

What is the most common problem with the 2006 Chevrolet Trailblazer Ext?
The most commonly reported issue with the 2006 Chevrolet Trailblazer Ext is related to the fuel system, with 123 complaints filed with NHTSA.
Is the 2006 Chevrolet Trailblazer Ext reliable?
The 2006 Chevrolet Trailblazer Ext has 238 complaints, 2 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 2006 Chevrolet Trailblazer Ext 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 2006 Chevrolet Trailblazer Ext have any recalls?
Yes, the 2006 Chevrolet Trailblazer Ext has 6 recalls on record. The full report includes recall severity analysis and scripts for asking the seller about recall completion.
What mileage do Chevrolet Trailblazer Ext problems start?
Based on 208 complaints with mileage data, the median mileage at time of complaint is 56,000 miles. The highest concentration of reported issues occurs in the 30–60K 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.
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10 sections of AI analysis based on 238 owner reports. Know before you buy.

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