"How reliable is the 2006 Chevrolet Trailblazer Ext?"

"Based on 238 NHTSA complaints, the 2006 Chevrolet Trailblazer Ext has a median complaint mileage of 55678 miles. The most common issue is FUEL SYSTEM, GASOLINE."

"What are common problems with the 2006 Chevrolet Trailblazer Ext?"

"The most frequently reported component in NHTSA complaints for the 2006 Chevrolet Trailblazer Ext is FUEL SYSTEM, GASOLINE, accounting for a significant portion of the 238 total complaints filed."

2006 Chevrolet Trailblazer Ext: Reliability Data

Source: NHTSA — 238 complaints

238

Total Complaints

55,678mi

Median Mileage

FUEL SYSTEM, GASOLINE

Top Issue

Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

43,600 25th Percentile

55,678 Median Mileage

79,125 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

FUEL SYSTEM, GASOLINE

102

ELECTRICAL SYSTEM

FUEL SYSTEM, OTHER

EXTERIOR LIGHTING

FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

VISIBILITY

FUEL/PROPULSION SYSTEM

STRUCTURE

STRUCTURE:BODY

AIR BAGS

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"STEERING WHEEL SHAKES VIOLENTLY, IT HAS BEEN IN DEALER FOR OVER 30 DAYS. HAVE TRIED MANY THINGS TO REPAIR, NOTHING HAS WORKED. IT ONLY DOES IT SOME OF THE TIME SO IT IS HARD TO DIAGNOSE... I DO NOT WANT A CAR THAT IS NOT SAFE FOR ME AND MY KIDS!! PLEASE HELP US! MANUFACTURER DOES NOT SEEM TO CARE!..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28