"How reliable is the 2003 Gmc Yukon Denali?"

"Based on 97 NHTSA complaints, the 2003 Gmc Yukon Denali has a median complaint mileage of 97000 miles. The most common issue is ELECTRICAL SYSTEM."

"What are common problems with the 2003 Gmc Yukon Denali?"

"The most frequently reported component in NHTSA complaints for the 2003 Gmc Yukon Denali is ELECTRICAL SYSTEM, accounting for a significant portion of the 97 total complaints filed."

2003 Gmc Yukon Denali: Reliability Data

Source: NHTSA — 97 complaints

Total Complaints

97,000mi

Median Mileage

ELECTRICAL SYSTEM

Top Issue

Crash Reports

When Do Complaints Happen?

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

67,000 25th Percentile

97,000 Median Mileage

128,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

ELECTRICAL SYSTEM

SERVICE BRAKES

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

ENGINE

ELECTRONIC STABILITY CONTROL (ESC)

VEHICLE SPEED CONTROL

SERVICE BRAKES, HYDRAULIC

ENGINE AND ENGINE COOLING

AIR BAGS

VISIBILITY

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"INTERIOR & EXTERIOR LIGHTS FLICKER DRASTICALLY ON WIDE TURNS TRAVELING OVER 40 MILES AN HOUR. THIS IS VERY DISTRACTING TO THE DRIVER OF THE VEHICLE, AND ALSO TO OTHER DRIVERS DRIVING IN FRONT. *NLM"

"THERE ARE SEVERAL PROBLEMS WITH MY 2003 YUKON DENALI. FIRST, THE DASH TRIM IS CREAKY AND MAKES ALOT OF NOISE. THE AIR CONDITIONER IS NOT VERY COLD. WHEN I BREAK AND SLIGHTLY RELEASE I GET THIS MOANING LIKE NOISE FROM UNDERNEATH THE TRUCK. FINALLY, ON ONE OF THE RUNNING BOARDS THE PAINT IS PEALING OF..."

"WHILE DRIVING 40 MPH DRIVER'S REAR TIRE EXPLODED WITHOUT WARNING. DEALER STATED THAT TIRE EXPLODED DUE TO TREAD WEAR. *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