2004 Chevrolet Blazer Reliability Score: 9.7 out of 10

48 NHTSA Complaints

1 Recalls

0 Fire Reports

4 Crash Reports

Reliability Score

9.7 / 10

Reliability score

Very few owner complaints against similar midsize SUVs

The class average is 7.0. Based on complaints owners filed with NHTSA about the engine, transmission or drivetrain.

Owners filed 8 powertrain complaints. A typical midsize SUV fleet of this size and age would have drawn about 79.

Scores this high have held: three years on they had moved 0.1 points in the typical case.

Breakdown

Complaints overall8 complaints against about 79 for similar vehicles

9.7

Last three years

n/aNot enough data

Engine, transmission or drive unit failed or replaced

n/aNot enough data

Oil consumption, fuel in the oil or overheating

n/aNot enough data

Each line scores one view of the same complaints the same way, so the lines overlap. The mark on each bar is the class average. A line needs 20 expected complaints to show a number.

Similar vehicles are others in the same class, compared at the same age and in the same years. The score counts complaints owners filed with NHTSA, per vehicle built, which is different from the share of vehicles that fail. How the score is worked out

On the record

No serious powertrain recall covering 5% or more of this generation and no escalated investigation in NHTSA's files. Warranty extensions and settlements have not been researched.

Complaints by Engine Code

LU3 90 Degrees

4.3L 6-cyl

27 complaints 27.0 per year Gasoline

View details

Complaint Breakdown

brakes

body

electrical

suspension

transmission

Same engine used in

GMC Savana (2003-2025)GMC Sierra 1500 (2000-2006)CHEVROLET Silverado 1500 (2007-2013)GMC Sonoma (2000-2004)CHEVROLET Silverado HD (2007-2014)CHEVROLET Silverado 1500 (2000-2006)

+3 more

GMC Sierra 1500 (2007-2013)GMC Sierra HD (2007-2014)CHEVROLET Express (2003-2025)

Chevrolet Blazer Unidentified Engine

12 complaints 12.0 per year

View details

Complaint Breakdown

other

body

brakes

interior

fuel system

Show 2 additional engine variants with limited data

These engines appear in fewer than 10 owner complaints. A low count can mean a clean record, and it can also be a VIN-decode anomaly in NHTSA's data.

LL8

4.2L 6-cyl

8 complaints 8.0 per year Gasoline

View details

Complaint Breakdown

electrical

wheels tires

safety systems

body

exterior

Same engine used in

CHEVROLET HHR (2006-2011)CHEVROLET Tahoe (2007-2014)CHEVROLET Cobalt (2005-2010)CHEVROLET Suburban (2007-2014)CHEVROLET Equinox (2010-2017)CHEVROLET Impala (2006-2016)

+9 more

CHEVROLET Trailblazer (2002-2009)CHEVROLET Silverado 1500 (2007-2013)CHEVROLET Uplander (2005-2009)CHEVROLET Impala (2000-2005)GMC Envoy (2002-2009)CHEVROLET Suburban (2000-2006)BUICK Rainier (2004-2007)CHEVROLET Tahoe (2000-2006)GMC Yukon (2000-2006)

L35

4.3L 6-cyl

1 complaint 1.0 per year

View details

Complaint Breakdown

brakes

interior

Same engine used in

GMC Jimmy (2000-2005)GMC Sierra 1500 (2000-2006)GMC Sonoma (2000-2004)GMC Envoy (2002-2009)CHEVROLET Silverado 1500 (2000-2006)CHEVROLET Cavalier (2000-2005)

Owner Complaints by System

Complaints owners filed with NHTSA about the Chevrolet Blazer, counted across every engine. A complaint can name more than one system.

Electrical System: 10 owner complaints

Body/Trim: 8 owner complaints

Brakes: 7 owner complaints

Recalls (1)

04V132000Mar 18, 2004cosmetic

Equipment

CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, "OCCUPANT CRASH PROTECTION."

All Generations

20002000 20012001 20022002 20032003 20042004 20062006 2nd2019-2025

Alternatives in Midsize SUV

Lexus

2010-2023

9.8/10

2 engines / 185 complaints

5 engines / 978 complaints

Lexus

2010-2015

9.7/10

4 engines / 494 complaints

3 engines / 450 complaints

Lexus

2003-2009

9.6/10

2 engines / 262 complaints

Lexus

2016-2022

9.6/10

3 engines / 476 complaints

Frequently Asked Questions

What are the most common 2004-2004 Chevrolet Blazer complaints?

Owners have filed 48 complaints with NHTSA about the 2004-2004 Chevrolet Blazer. The systems they name most often are the electrical system, the body and trim and the brakes.

Is the 2004-2004 Chevrolet Blazer a good used car?

That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 48 complaints with NHTSA about the 2004-2004 Chevrolet Blazer. Check which systems they name most often and whether a recall is still open on that car.

How many NHTSA complaints does the 2004-2004 Chevrolet Blazer have?

NHTSA has 48 owner complaints on file for the 2004-2004 Chevrolet Blazer as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.

What recalls affect the 2004-2004 Chevrolet Blazer?

NHTSA lists 1 recall covering some 2004-2004 Chevrolet Blazer vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.

What should I check before buying a used Chevrolet Blazer?

Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the electrical system, the body and trim and the brakes, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.

Does the Blazer have NHTSA crash test ratings?

NHTSA has not published crash test ratings for the 2004 Chevrolet Blazer. Not all vehicles are tested each year. For the latest NHTSA safety information, visit nhtsa.gov/ratings.

Data from NHTSA federal complaints database. 48 complaints analyzed. Data confidence: moderate. Last updated: 2026-10-12.