Which Chevrolet Trailblazer Ext 370 year should I avoid?

NHTSA data shows no avoid_years for this model. The 2005 model year has far more complaints (237) than 2006 (16), but neither carries an Avoid verdict.

Is the Chevrolet Trailblazer Ext 370 reliable based on complaints?

NHTSA logs 253 total complaints across the 2005-2006 model years, with electrical system problems making up 47% and fuel system problems making up 38% of all reports.

What is the most common problem area for the Trailblazer Ext 370?

Electrical System issues lead with 120 complaints (47% share), followed by Fuel System issues at 97 complaints (38%).

Are there any recalls on the Trailblazer Ext 370?

NHTSA shows 0 recall campaigns for both the 2005 and 2006 model years, including zero do-not-drive recalls.

At what mileage do Trailblazer Ext 370 problems tend to appear?

NHTSA complaint data lists a median mileage at failure of 70,000 miles for 2005 and 105,000 miles for 2006.

Chevrolet Trailblazer Ext 370 Best and Worst Years (2005–2006)

No Chevrolet Trailblazer Ext 370 year is flagged as Avoid or Best. NHTSA lists 237 complaints for 2005 versus 16 for 2006, with electrical system issues topping the list at 47% of all complaints across both years.

Based on NHTSA owner complaints and recalls per model-year, ranked within this model — not a reliability rating. Methodology.

Model years: 2; 2005–2006
NHTSA complaints: 253
Recall campaigns: 0
Crashes reported: 7
Fires reported: 3
Top problem area: Electrical System

Trailblazer Ext 370 Complaint Index by year

Higher = more complaints, crashes, fires, injuries, deaths and Do-Not-Drive recalls per year on the road, relative to other years of this model.

Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best

Chevrolet Trailblazer Ext 370 problems and recalls by year

Year	Verdict	Index	Complaints	Crashes	Fires	Recalls	Top issue	MPG	NCAP
2005	No verdict	100	237	7	1	0	Electrical System	—	—
2006	No verdict	0	16	0	2	0	Electrical System	—	—

Most common Chevy Trailblazer Ext 370 problems (all years)

Share of NHTSA complaints by component group across all model years.

Electrical System120 (47%)
Fuel System97 (38%)
Engine25 (10%)
Structure & Body14 (6%)
Visibility & Wipers11 (4%)
Other8 (3%)
Suspension, Wheels & Tires8 (3%)
Airbags7 (3%)
Brakes5 (2%)
Transmission & Powertrain5 (2%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

Frequently asked questions

Which Chevrolet Trailblazer Ext 370 year should I avoid?: NHTSA data shows no avoid_years for this model. The 2005 model year has far more complaints (237) than 2006 (16), but neither carries an Avoid verdict.
Is the Chevrolet Trailblazer Ext 370 reliable based on complaints?: NHTSA logs 253 total complaints across the 2005-2006 model years, with electrical system problems making up 47% and fuel system problems making up 38% of all reports.
What is the most common problem area for the Trailblazer Ext 370?: Electrical System issues lead with 120 complaints (47% share), followed by Fuel System issues at 97 complaints (38%).
Are there any recalls on the Trailblazer Ext 370?: NHTSA shows 0 recall campaigns for both the 2005 and 2006 model years, including zero do-not-drive recalls.
At what mileage do Trailblazer Ext 370 problems tend to appear?: NHTSA complaint data lists a median mileage at failure of 70,000 miles for 2005 and 105,000 miles for 2006.