2004 Chevrolet Blazer: Reliability Data

Source: NHTSA — 67 complaints
67
Total Complaints
34,831mi
Median Mileage
ELECTRICAL SYSTEM
Top Issue
6
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

7,500 25th Percentile
34,831 Median Mileage
62,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM
8
STRUCTURE:BODY
4
SERVICE BRAKES
4
SUSPENSION
3
AIR BAGS
3
VEHICLE SPEED CONTROL
2
TIRES
2
POWER TRAIN:AUTOMATIC TRANSMISSION
2
STRUCTURE
2
STEERING
2

Severity Assessment

6
Crashes
0
Fires
5
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING 70 MPH A PASSING VEHICLE SPLASHED MUD ONTO THE FRONT WINDSHIELD. CONSUMER TRIED TO REMOVE THE MUD WITH THE WINDSHIELD WIPERS,BUT THE WINDSHIELD WIPERS FAILED. DEALERSHIP WAS NOTIFIED, BUT DID NOT RESOLVE THE PROBLEM. *AK"
"THE PLASTIC RUNNING BOARD IS LOOSE AND CUT THE DRIVER'S LEG. *AK"
"VIBRATION AND DRONING NOISE STARTED 1 1/2 WEEKS (APPROXIMATELY DECEMBER 9 OR 10, 2003, AFTER PURCHASE ON 11/24/2003. LEVELS OF VIBRATIONS RANGE FROM LIGHT TO MEDIUM TO HEAVY; LEVELS OF DRONING NOISE RANGE FROM LIGHT TO MEDIUM TO HEAVY. 1. 1ST REPAIR VISIT--1/17/04 FOR VIBRATION AND DRONING--(DR..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28