AVOIR

2007 Chevrolet TrailBlazer

Reliability, what owners report, and what it costs to keep.

62/100
Be careful

AVOIR's read: the numbers are mixed and the complaint record is worth reading before you commit.

What owners actually report

Owners have filed 782 complaints with NHTSA about the 2007 Chevrolet TrailBlazer, and it carries 5 recalls. These are owner allegations rather than confirmed defects, but the pattern of what people complain about is the most useful signal a used buyer has.

Complaints by area, from NHTSA records for this model-year
AreaComplaintsShare
Fuel system18223%
Exterior lighting12816%
Electrical system8210%
Fuel/propulsion system446%
Electrical system365%
Fuel system344%
Air bags203%
Electrical system192%
Visibility162%
Fuel system162%

In owners' own words

Verbatim from NHTSA complaint records, trimmed for length.

Low tire presher lights stay on even when the tire presher is ok. Also I want to say the anti sliding feature says it is not working as well. I could be wrong about this feature but there si a button on the gear shift th

NHTSA complaint: Wheels

The contact owns a 2007 Chevrolet Trailblazer. The contact stated while driving 55 MPH at nighttime, the low-beam headlights started flickering, and then became inoperable. The vehicle decelerated and veered to the side

NHTSA complaint: Exterior lighting

SERVICE AIRBAG light came on last week. Took vehicle to dealership to fix. Parts are discontinued so airbag cannot be fixed per Ferman Chevrolet dealership. Also told me that airbag will not work if in an accident.

NHTSA complaint: Air bags

The contact owns a 2007 Chevrolet Trailblazer. The contact stated that the driver's side power master window switch had failed and failed to roll up the windows. There was no warning light illuminated. The contact stated

NHTSA complaint: Electrical system

Keeps blowing #46 headlight relay. Happens every 2-3 weeks. When this happens the low beams stop working. I have to switch to high beams to continue driving.

NHTSA complaint: Electrical system

I've had the brakes replaced because I thought they were an issue I was having with my ABS. But my car will randomly lock its brakes as I'm driving, no matter what speed. I'm scared to drive it. It also almost loses al

NHTSA complaint: Electrical system

My doors have had water seeping in them the whole time and I’ve replaced my speakers multiple times.

NHTSA complaint: Electrical system

The contact owns a 2007 Chevrolet Trailblazer. The contact stated that while driving at various speeds, the headlights became inoperable without warning. The contact stated that the failure had occurred several times. Th

NHTSA complaint: Exterior lighting

Recalls on record

NHTSA lists 5 recall campaigns for the 2007 Chevrolet TrailBlazer. Recalls are free to have fixed at a franchised dealer regardless of who owns the car now, but only if they were never done, so check the VIN of the specific car rather than trusting the model.

Exterior lighting:headlights 15V519000

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 headlam

Risk: Headlamps that do not illuminate reduce the driver's ability to see the roadway and reduce the vehicle's visibility to oncoming vehicles, both of which increase the risk of a vehicle crash.

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

Visibility:power window devices and controls 14V404000

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 corro

Risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outsid

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 i

Visibility:power window devices and controls 15V599000

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

Risk: The protective coating may not eliminate the risk that the circuit board could short and result in a fire, even while the vehicle is unattended.

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,

Electrical system 12V406000

General Motors (GM) is recalling certain model year 2006 Chevrolet Trailblazer EXT and GMC Envoy XL and 2006-2007 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, SAAB 9-7x, and Isuzu Ascender vehicles, originally sold or currently registered in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine,

Risk: A short in the circuit board could lead to a fire, increasing the risk of personal injury. A fire could occur even while the vehicle is not in use. As a precaution, owners are advised to park outsid

Fix: Parts for this recall are expected to available in March 2013. GM will notify Buick, Chevrolet, and GMC owners when parts are available. Buick owners may contact the owner center at 1-800-521-7300,

The seven scores

Reliability raw47below average
Longevity est.63average
Maintenance70good
Depreciation92excellent
Performance67good
Efficiency31below average

How it compares in its class

Percentile ranks against other SUVs in the catalog.

Which of these numbers are measured

What stands behind each score for this car:

Common questions

What goes wrong with the 2007 Chevrolet TrailBlazer?

Owners have filed 782 complaints with NHTSA for this model-year, and fuel system is the most reported area with 182 of them (23%). There are 5 recalls on record. Check any specific car against its VIN before buying.

Is the 2007 Chevrolet TrailBlazer reliable?

AVOIR scores its reliability 47/100 (below average) from NHTSA recall campaigns and complaint density. That figure is a raw complaint count, not yet adjusted for sales volume, so a high-volume model scores worse than it deserves.

How long will a 2007 Chevrolet TrailBlazer last?

AVOIR scores its longevity 63/100, but that figure is an estimate built from the powertrain and the brand's record, not a measurement. A 2007 car has no 200,000-mile population to observe yet, so treat it as a prior rather than evidence.

Should I buy a 2007 Chevrolet TrailBlazer?

AVOIR's read: be careful, because the numbers are mixed and the complaint record is worth reading before you commit. Its overall ownership score is 62/100. Condition, mileage and service history still matter more than any score, so get a pre-purchase inspection on the specific car.

Sources: NHTSA recalls and complaints, EPA fuel economy, IIHS awards, and live market listings. A score describes a model-year, not the individual car in front of you. Get a pre-purchase inspection.