2005 Chevrolet TrailBlazer EXT
Recalls, most-reported problems, crash-test ratings, fuel economy and what a 2005 Chevrolet TrailBlazer EXT is worth — from official NHTSA and EPA data. 113 on record.
2005 Chevrolet TrailBlazer EXT at a glance
Included: that car's specs and build sheet, model-year recall campaigns and a fair price.
2005 Chevrolet TrailBlazer EXT recalls 0
No NHTSA safety-recall campaigns are on record for the 2005 Chevrolet TrailBlazer EXT.
Source: U.S. NHTSA, checked 4 Nov 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.
2005 Chevrolet TrailBlazer EXT common problems
The most-reported problem areas across all 1,703 owner complaints filed with NHTSA — and what to check before you buy.
2005 Chevrolet TrailBlazer EXT MPG & running costs
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 2005 Chevrolet TrailBlazer EXT worth?
Estimated 5-year cost to own
A rough guide to what running a 2005 Chevrolet TrailBlazer EXT costs over five years and 75,000 miles.
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.
Dimensions & weight
Manufacturer-reported figures for the 2005 Chevrolet TrailBlazer EXT — ranges cover the 2 body / drivetrain versions on record. Source: Transport Canada vehicle specifications via NHTSA.
Investigations & service bulletins
NHTSA defect investigations 3
Loss of Headlights Closed
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investiga…
NHTSA #RQ17002 · Exterior Lighting · opened Apr 2017 · closed Mar 2021Fuel level gauge system failure Closed
The office of defects investigations (ODI) analyzed complaint data provided by General Motors (GM) as well as complaints submitted to ODI from consumers. In total, there were 5,089 unique reports indicating an inaccurate fuel level reading while driving. General Motors stated that this condition occurs when the contacts of the fuel sensor wear prematurely. Most of the complaints indicated an empty fuel gauge reading…
NHTSA #PE11014 · Fuel System, Other · opened Apr 2011 · closed Sep 2011Fuel Level Gauge System Failure Closed
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles. Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall. Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability tha…
NHTSA #DP10001 · Fuel System, Other · opened Jan 2010 · closed May 2011An investigation means NHTSA is examining a possible defect — it is not a recall, and many close without one.
Manufacturer service bulletins 678
Technical notes the manufacturer sent to dealers about known issues and fixes. Useful to mention to a mechanic — they are not recalls and repairs may not be covered. Showing the 10 most recent of 678.
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
Bulletin PIP5601C · Jul 2025This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
Bulletin PIT5074R · May 2025This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
Bulletin PIT5074R · May 2025This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
Bulletin PIT5074R · May 2025This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or take a video of the noise for assessment…
Bulletin PIP5358D · Feb 2025This Preliminary Information communication provides information to the technician about the use of J-35616-64B terminal test probe, replacement terminals, and terminated leads. The J-35616-64B is the latest test probe released for checking tension or probing t…
Bulletin PIT5074Q · Dec 2024This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Record…
Bulletin PIP4723J · Electrical System · Oct 2024This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures…
Bulletin PIT5099H · Sep 2024This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician will need to have high and low pressures…
Bulletin PIT5099H · Sep 2024This service bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. and Canada Dealers Only).
Bulletin 02-00-89-002X · Sep 2024Source: NHTSA Office of Defects Investigation, listed for the TRAILBLAZER EXT. Model-year data, not specific to one car.
Canadian recalls 1
Transport Canada recall campaigns for the 2005 Chevrolet TrailBlazer EXT. Relevant if the car was first sold in, or imported from, Canada.
Other
Issue: This recall is for aftermarket replacement rear window glass produced by Vitro Automotriz. Certain rear window glass may not have been properly tempered. If the window breaks, the glass may separate into large pieces instead of very small ones. Note: This is a voluntary recall that is not being conducted under the requirements of the Motor Vehicle Safety Act. Safety Risk…
Transport Canada #2019420 · Aug 2019Source: Transport Canada Motor Vehicle Safety Recalls Database.
About the Chevrolet TrailBlazer EXT
The Chevrolet TrailBlazer is a mid-size SUV produced by Chevrolet, a division of General Motors. The nameplate was first used in North America from 2001 to 2008; in 2009, it was replaced by the Traverse, as a crossover SUV. In 2011, production of a newly redesigned version of the Trailblazer for the Asian and Brazilian markets began.
From Wikipedia, licensed CC BY-SA 4.0. Describes the model line in general, not this model year specifically.
2005 Chevrolet TrailBlazer EXT trims & engines on record
2005 Chevrolet TrailBlazer EXT vehicles on record
2005 Chevrolet TrailBlazer EXT LT1GNET16S056197551
2005 Chevrolet TrailBlazer EXT LS1GNET16M956163870
2005 Chevrolet TrailBlazer EXT LT1GNES16S156116379
2005 Chevrolet TrailBlazer EXT LS1GNET16S556202095
2005 Chevrolet TrailBlazer EXT LS1GNET16S956111038
2005 Chevrolet TrailBlazer EXT LT1GNET16S456165220
2005 Chevrolet TrailBlazer EXT LT1GNES16S356196428
2005 Chevrolet TrailBlazer EXT LS1GNET16S656162349
2005 Chevrolet TrailBlazer EXT LS1GNET16S456163077
2005 Chevrolet TrailBlazer EXT LT1GNES16S056144853
2005 Chevrolet TrailBlazer EXT LS1GNES16S556120340
2005 Chevrolet TrailBlazer EXT LS1GNES16S556160742
2005 Chevrolet TrailBlazer EXT LS1GNET16S256169864
2005 Chevrolet TrailBlazer EXT LS1GNET16S656156499
2005 Chevrolet TrailBlazer EXT LS1GNET16M156191078
2005 Chevrolet TrailBlazer EXT LT1GNET16S456164388
2005 Chevrolet TrailBlazer EXT LS1GNES16S356123981
2005 Chevrolet TrailBlazer EXT LS1GNET16S756114617
2005 Chevrolet TrailBlazer EXT LS1GNET16S756100491
2005 Chevrolet TrailBlazer EXT LT1GNET16SX56133453
2005 Chevrolet TrailBlazer EXT LT1GNES16S156164612
2005 Chevrolet TrailBlazer EXT LT1GNET16S856142572
2005 Chevrolet TrailBlazer EXT LT1GNET16S156171086
2005 Chevrolet TrailBlazer EXT LS1GNES16S856150755