Chevrolet

Blazer (2003)

2003 · Midsize SUV · 2 engines
Best Engine ⚠️ Caution (3.4)
84 NHTSA Complaints
1 Recalls
0 Fire Reports
14 Crash Reports
View all 7 generations of the Chevrolet Blazer → 📋 Inspection checklist

NHTSA Safety Ratings About NHTSA ratings

Overall Not Rated
Frontal Crash
Side Crash
Rollover
2/5
ESC: No FCW: No LDW: No
Overall Not Rated
Frontal Crash
Side Crash
Rollover
2/5
ESC: No FCW: No LDW: No

Engine Reliability Ratings

Chevrolet Blazer Unidentified Engine

⚠️ Caution (3.4)
30 complaints 30.0 per year
View details

Complaint Breakdown

safety systems
6
electrical
5
exterior
4
fuel system
4
transmission
4

Known Issues

Safety Systems Issues (6 complaints)
Electrical System Issues (5 complaints)
Exterior Issues (4 complaints)

LU3 90 Degrees

4.3L 6-cyl
⚠️ Caution (3.2)
45 complaints 45.0 per year Gasoline
View details

Complaint Breakdown

body
9
transmission
8
safety systems
7
engine
6
cooling
6

Known Issues

Body/Trim Issues (9 complaints)
Transmission Issues (8 complaints)
Safety Systems Issues (7 complaints)
Show 2 additional engine variants with limited data
These engines appear in fewer than 10 owner complaints and aren't included in the main ratings above. Low counts can mean a genuinely clean record, but they can also reflect VIN-decode anomalies in NHTSA data. Treat as informational, not as a confident rating.

L35

4.3L 6-cyl
Recommended (4.4)
4 complaints 4.0 per year
View details

Complaint Breakdown

body
2
fuel system
2
electrical
1
brakes
1
safety systems
1

Known Issues

Body/Trim Issues (2 complaints)
Fuel System Issues (2 complaints)
Electrical System Issues (1 complaints)

Vehicle-Level Issues

These issues affect the Chevrolet Blazer regardless of engine variant.

Safety Systems Issues (13 complaints)
safety_systems critical
Body/Trim Issues (11 complaints)
body critical
Transmission Issues (8 complaints)
transmission critical
Electrical System Issues (6 complaints)
electrical critical
Exterior Issues (5 complaints)
exterior critical

Recalls (1)

04V132000Mar 17, 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."

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.

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