2004 Gmc Sierra: Reliability Data

Source: NHTSA — 224 complaints
224
Total Complaints
46,000mi
Median Mileage
SERVICE BRAKES
Top Issue
12
Crash Reports

When Do Complaints Happen?

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

14,186 25th Percentile
46,000 Median Mileage
84,093 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES
44
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
18
ELECTRICAL SYSTEM
18
SERVICE BRAKES, HYDRAULIC
17
POWER TRAIN:AUTOMATIC TRANSMISSION
12
STEERING
8
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP
7
VEHICLE SPEED CONTROL
6
ENGINE
5
AIR BAGS:FRONTAL
4

Severity Assessment

12
Crashes
7
Fires
17
Injuries
0
Deaths

Sample Complaint Reports

"WHILE DRIVING ABS BRAKE LIGHT APPEARED ON THE DASHBOARD INTERMITTENTLY. CONSUMER CONTACTED DEALER, BUT PROBLEM STILL OCCURS. *AK"
"THE DEALERSHIP WAS UNABLE TO INSTALL A RELAY SWITCH BECAUSE OF A WIRING CHANGE FROM THE 2000 MODELS. THE LOW AND HIGH BEAM CAME ON SEPARATELY. WHEN IT SNOWED AND THE HIGH BEAM WAS ON, SNOW BUILD UP ON THE LOW BEAM. WHEN THIS OCCURRED IT CREATED A LAYER OF SNOW, AND CONSUMER WAS UNABLE TO CHANGE BA..."
"THE VEHICLE WOULD JERK FORWARD 6 INCHES WHEN STARTED. *AK THIS WOULD OCCUR WHEN THE VEHICLE WAS IN THE PARK POSITION. THE DEALER TOLD THE CONSUMER THAT NOTHING COULD BE DONE. THE PROBLEM ALSO COULD NOT BE DUPLICATED. *SC *JB"

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