2009 Gmc Yukon Denali Xl: Reliability Data

Source: NHTSA — 30 complaints
30
Total Complaints
85,000mi
Median Mileage
UNKNOWN OR OTHER
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

57,000 25th Percentile
85,000 Median Mileage
101,740 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
8
AIR BAGS
7
LATCHES/LOCKS/LINKAGES
3
ELECTRICAL SYSTEM
3
ENGINE
3
STRUCTURE:BODY
3
VEHICLE SPEED CONTROL
1
SERVICE BRAKES
1
POWER TRAIN
1

Severity Assessment

1
Crashes
0
Fires
3
Injuries
0
Deaths

Sample Complaint Reports

"SINCE MARCH OF THIS YEAR WE HAVE 3 OF THE 4 DOOR LOCKING ACTUATORS FAIL AND REPLACED ON OUR 2009 GMC YUKON DENALI WITH ONLY 39000 MILES ON IT. WE CONTACTED GM VIA E-MAIL WITH OUR CONCERNS. GM ARE NOT CONCERNED WITH IT BEING A SAFETY ISSUE. THE ONLY THING THEY WERE CONCERNED WITH WAS IF IT WAS REPO..."
"DRIVING AT ROUGHLY 50 MPH. WENT TO PASS CAR ON TWO LANE HIGHWAY. ACCELERATOR STUCK TO FLOOR (NOT STUCK ON FLOOR MAT OR OTHER OBJECT). VEHICLE ACCELERATED TO 95 MPH, SLOWED TO 70 WITH BRAKE DEPRESSED FULLY. SLOWED TO 50 WITH BRAKE AND EMERGENCY BRAKE DEPRESSED. ACCELERATED WHEN DOWNSHIFTED INTO MANUA..."
"DRIVING AT ROUGHLY 50 MPH. WENT TO PASS CAR ON TWO LANE HIGHWAY. ACCELERATOR STUCK TO FLOOR (NOT STUCK ON FLOOR MAT OR OTHER OBJECT). VEHICLE ACCELERATED TO 95 MPH, SLOWED TO 70 WITH BRAKE DEPRESSED FULLY. SLOWED TO 50 WITH BRAKE AND EMERGENCY BRAKE DEPRESSED. ACCELERATED WHEN DOWNSHIFTED INTO MANUA..."

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