"How reliable is the 2001 Gmc Yukon Denali?"

"Based on 40 NHTSA complaints, the 2001 Gmc Yukon Denali has a median complaint mileage of 95000 miles. The most common issue is SERVICE BRAKES."

"What are common problems with the 2001 Gmc Yukon Denali?"

"The most frequently reported component in NHTSA complaints for the 2001 Gmc Yukon Denali is SERVICE BRAKES, accounting for a significant portion of the 40 total complaints filed."

2001 Gmc Yukon Denali: Reliability Data

Source: NHTSA — 40 complaints

Total Complaints

95,000mi

Median Mileage

SERVICE BRAKES

Top Issue

Crash Reports

When Do Complaints Happen?

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

52,000 25th Percentile

95,000 Median Mileage

128,323 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

SERVICE BRAKES

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP

SERVICE BRAKES, HYDRAULIC

FUEL SYSTEM, GASOLINE:STORAGE

ELECTRICAL SYSTEM

TIRES

FUEL SYSTEM, GASOLINE:DELIVERY

ENGINE AND ENGINE COOLING:ENGINE

VEHICLE SPEED CONTROL

ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Severity Assessment

Crashes

Fires

Injuries

Deaths

Sample Complaint Reports

"AFTER STARTING VEHICLE CONSUMER NOTICED FUEL LEAKING FROM DRIVER SIDE OF VEHICLE. VEHICLE WAS TOWED TO DEALER, THE CONNECTOR TO FUEL TANK HAD SEPARATED. *AK CONSUMER STATES THAT THE FUEL LINE ON THE PRESSURE SIDE OF FUEL PUMP FAILED, FUEL PUMP WAS PUMPING FUEL ONTO DRIVEWAY. DEALERSHIP REPLACED CO..."

"WHILE DRIVING, THEIR WAS A NOISE FROM UNDER THE HOOD. CONSUMER TOOK VEHCILE TO THE DEALERSHIP AN D THEY INDICATED THAT THE SERPENTINE BELT HAD CAME APART. PRIOR TO THIS INCIDENT,AT TIME OF PURCHASING THE VEHICLE THE DEALERSHIP NOTICED THE SERPENTINE BELT HAD CAME APART, WHEN INSPECTNG THE VEHICLE...."

"WHILE DRIVING THE AIR BAR SENOR LIGHT CAME ON AND STAYED ON. CONSUMER TOOK VEHICLE TO DEALERSHIP, THEY INFORMED HIM THAT AIR BAG ELECTRICAL CONNECTOR WAS FAULITY. HAD PART REPLACED. PLEASE PROVIDE MORE DETAILS. MR"

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