Blazer (2003)
NHTSA Safety Ratings About NHTSA ratings
Engine Reliability Ratings
Chevrolet Blazer Unidentified Engine
View details
Complaint Breakdown
Known Issues
LU3 90 Degrees
4.3L 6-cylView details
Complaint Breakdown
Known Issues
Show 2 additional engine variants with limited data
LL8
4.2L 6-cylView details
Complaint Breakdown
Known Issues
L35
4.3L 6-cylView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Chevrolet Blazer regardless of engine variant.
Recalls (1)
CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 208, "OCCUPANT CRASH PROTECTION."
Alternatives in Midsize SUV
Frequently Asked Questions
What are the most common 2003-2003 Chevrolet Blazer problems?
The 2003-2003 Chevrolet Blazer has accumulated 84 NHTSA complaints. The most frequently reported problem areas are Safety Systems, Body/Trim, Transmission. As with any used vehicle, an inspection before buying and a vehicle history report are recommended.
Which Chevrolet Blazer engine is most reliable?
The 2003-2003 Chevrolet Blazer was offered with 4 engine options. Based on NHTSA complaint data, the 4.3L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2003-2003 Chevrolet Blazer a good used car?
The 2003-2003 Chevrolet Blazer can be a sound used car depending on trim, mileage, and maintenance history. With 84 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2003-2003 Chevrolet Blazer have?
The 2003-2003 Chevrolet Blazer has 84 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2003-2003 Chevrolet Blazer?
There is 1 NHTSA recall affecting some 2003-2003 Chevrolet Blazer vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Chevrolet Blazer?
Before buying a used Chevrolet Blazer, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Safety Systems, Body/Trim, Transmission, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
What are the NHTSA crash test ratings for the Blazer?
The 2003 Chevrolet Blazer received an overall N/A-star safety rating from NHTSA. Frontal crash: N/A stars. Side crash: N/A stars. Rollover: 2 stars. Electronic Stability Control: No. Forward Collision Warning: No. Lane Departure Warning: No. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 84 complaints analyzed. Data confidence: moderate. Last updated: 2026-07-24.