Model year guide

2006 Chevrolet TrailBlazer EXT

Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2006 Chevrolet TrailBlazer EXT is worth — from official NHTSA and EPA data. 80 on record.

2006 Chevrolet TrailBlazer EXT — representative photo
Representative photo · via Wikimedia Commons

2006 Chevrolet TrailBlazer EXT at a glance

Safety recalls6
Owner complaints1,313
Combined15–16 mpg
Typical price$3,903

Free: that car's specs and build sheet, model-year recall campaigns and a fair price.

2006 Chevrolet TrailBlazer EXT recalls 6

Visibility:power Window Devices And Controls NHTSA Campaign #15V599000 · 24/09/2015

General Motors LLC (GM) is recalling certain model year 2006-2007 Buick Rainier, Chevrolet Trailblazer and GMC Envoy vehicles, and 2006 GMC Envoy XL and Chevrolet Trailblazer EXT vehicles. Fluid may enter into the driver's door master power window switch module, causing corrosion that could result in a short in the circuit board, causing window switches to become inoperative. Previously, the affected vehicles may …

Fix: GM will notify owners, and dealers will install a new driver's door switch module, free of charge. The recall began on November 2, 2015. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's num…

Visibility:power Window Devices And Controls NHTSA Campaign #14V404000 · 02/07/2014

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 switche…

Fix: GM will notify owners, and dealers will inspect the part number on the door module, and install a new door module if necessary, free of charge. Parts for the remedy are not currently available. An interim letter was mailed to owners in August 2014. A second owner letter will be mailed when parts…

Exterior Lighting:headlights NHTSA Campaign #15V519000 · 14/08/2015

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.

Fix: GM will notify owners, and dealers will replace the HDM, free of charge. The recall began on May 17, 2016. Owners may contact Buick customer service at 1-800-521-7300 or Pontiac customer service at 1-800-762-2737. GM's number for this recall is 14291.

Electrical System NHTSA Campaign #13V248000 · 13/06/2013

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…

Fix: Owners will be contacted and dealers will test the driver's door module. If the module is functioning properly, a protective coating will be applied. If the module is not functioning properly, it will be replaced. These repairs will be done free of charge. GM will notify Buick, Chevrolet, and GM…

Steering:hydraulic Power Assist:hose, Piping, And Connections NHTSA Campaign #05V455000 · 05/10/2005

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.

Fix: DEALERS WILL INSPECT THE POWER STEERING HOSE(S) FOR TWO SUSPECT DATE CODES AND REPLACE THEM IF REQUIRED. THE RECALL WILL BEGIN ON OCTOBER 14, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, ISUZU AT 1-800-255-6727,…

Equipment:other:labels NHTSA Campaign #05V552000 · 07/12/2005

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.

Fix: OWNERS WILL BE PROVIDED WITH CORRECTED LABELS AND INSTALLATION INSTRUCTIONS. AT THE CUSTOMER'S OPTION, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON MARCH 31, 2006. OWNERS MAY CONTACT BUICK AT 1-866-608-8080, CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-9…

Source: U.S. NHTSA, checked 5 Oct 2026. A campaign covers the model year; to see whether a particular car still needs the repair, check its VIN on NHTSA.gov or ask a franchised dealer.

2006 Chevrolet TrailBlazer EXT common problems

The most-reported problem areas across all 1,313 owner complaints filed with NHTSA — and what to check before you buy.

Fuel System
Sniff for fuel odor, check for leaks, hard starts or stalling, and confirm the fuel gauge reads correctly.
Gasoline
Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Electrical System
Test every electrical feature: windows, locks, infotainment, charging and all lights. Watch for flickering, dead accessories or warning lights.
Other
Have a trusted mechanic inspect this system as part of a pre-purchase inspection.
Exterior Lighting
Confirm all headlights, brake lights, turn signals and reverse lights work, with no moisture inside the housings.
Fuel/propulsion System
Check for fuel or battery warnings, hard starts and stalling. On a hybrid/EV, confirm charging and range behave normally.

2006 Chevrolet TrailBlazer EXT safety ratings

Frontal crash★★★★★
Rollover★★★★★

Source: NHTSA 5-Star Safety Ratings (NCAP), tested as the 2006 Chevrolet Trailblazer EXT 4-DR. Ratings can differ by body style and drivetrain.

2006 Chevrolet TrailBlazer EXT MPG & running costs

Combined15–16 mpg
City14 mpg
Highway19 mpg
Est. annual fuel cost$4,325

Source: U.S. EPA / DOE fueleconomy.gov. The EPA lists 4 versions of this model year; combined is shown as a range and the other figures are averages.

What's a 2006 Chevrolet TrailBlazer EXT worth?

Low
$1,800
Typical price
$3,903
High
$6,600

From 79 comparable 2006 Chevrolet TrailBlazer EXT listings.

Estimated 5-year cost to own

A rough guide to what running a 2006 Chevrolet TrailBlazer EXT costs over five years and 75,000 miles.

Fuel (5 yrs)$21,625
Fuel only$21,625
Per mile$0.29

How this is estimated: fuel is the U.S. EPA annual cost at 15,000 miles a year. There aren't enough comparable listings to estimate depreciation for this model, so it is left out. Not included: insurance, maintenance, repairs, taxes, registration and finance costs. Treat it as a comparison guide, not a quote.

2006 Chevrolet TrailBlazer EXT trims & engines on record

Trims
LS · LT
Engines
4.2L 6-cyl · 5.3L 8-cyl

2006 Chevrolet TrailBlazer EXT vehicles on record

Other Chevrolet TrailBlazer EXT model years

2006 Chevrolet TrailBlazer EXT — frequently asked questions

Does the 2006 Chevrolet TrailBlazer EXT have any safety recalls?

NHTSA lists 6 recall campaigns for the 2006 Chevrolet TrailBlazer EXT. Whether an individual car still needs a recall repair depends on its VIN — check it on NHTSA.gov or ask a franchised dealer. Recall repairs are free.

What are the most common problems with the 2006 Chevrolet TrailBlazer EXT?

Across all 1,313 owner complaints filed with NHTSA, the most-reported problem areas are fuel system, gasoline, electrical system.

What is the 2006 Chevrolet TrailBlazer EXT safety rating?

NHTSA gives the 2006 Chevrolet TrailBlazer EXT crash-test ratings of frontal 4★, rollover 4★ (out of 5; this model year pre-dates NHTSA's overall score).

What gas mileage does the 2006 Chevrolet TrailBlazer EXT get?

The 2006 Chevrolet TrailBlazer EXT has U.S. EPA estimates of 15–16 mpg combined, depending on engine and trim (4 versions).

How much is a 2006 Chevrolet TrailBlazer EXT worth?

Comparable 2006 Chevrolet TrailBlazer EXT listings run roughly $1,800–$6,600, typically around $3,903 (from 79 vehicles).

Sources: NHTSA (recalls, complaints, crash tests), U.S. EPA (fuel economy). Vehicle data only — CarLogs never shows owner information.