2003 Gmc Denali: Reliability Data

Source: NHTSA — 40 complaints
40
Total Complaints
63,000mi
Median Mileage
VEHICLE SPEED CONTROL
Top Issue
4
Crash Reports

When Do Complaints Happen?

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

35,495 25th Percentile
63,000 Median Mileage
120,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

VEHICLE SPEED CONTROL
4
POWER TRAIN:AUTOMATIC TRANSMISSION
3
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
3
ELECTRONIC STABILITY CONTROL (ESC)
2
EXTERIOR LIGHTING
2
SERVICE BRAKES
2
SERVICE BRAKES, HYDRAULIC
2
ELECTRICAL SYSTEM
2
STEERING
2
STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE
1

Severity Assessment

4
Crashes
0
Fires
1
Injuries
0
Deaths

Sample Complaint Reports

"2003 GMC YUKON DENALI XL PURCHASED 10/02 NEW FROM DEALER: COUNTRY GMC HUNTINGTON N.Y. CAR STARTED TO ROLL DOWN THE STREET WHEN BRAKE INTERLOCK FEATURE DID NOT PREVENT VEHICLE FROM COMING OUT OF PARK. IGNITION SWITCH WAS IN THE FIRST FORWARD CLICK POSITION. IN THIS ONLY IGNITION SWITCH POSITION, GE..."
"WHILE DRIVING VEHICLE SUDDENLY LOST STEERING AND DRIVER LOST CONTROL OF VEHICLE. *AK"
"STEERING LOCKED WHILE DRIVING. CONSUMER STATED STEERING WAS REPLACED, HOWEVER THE PROBLEM STILL EXISTS. *AK"

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