2008 Gmc Yukon Denali: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"THE VEHICLE DOES NOT ACCELERATE WHEN THE ACCELERATOR IS PRESSED. THE VEHICLE TAKE 5-10 SECONDS BEFORE RESPONDING, RESULTING IN DELAY OF MERGING AND STALLING AT STOP LIGHTS. IT BECOMES DANGEROUS WHEN ENTERING A HIGHWAY AND TAKING OFF, I HAVE HAD INDIVIDUALS ALMOST SLAM INTO ME AND I HAVE RAN INTO A C..."
"TRANSMISSION GEAR INDICATOR, PRND3, AND DRIVER INFORMATION CENTER IMPOSSIBLE TO READ UNDER CONDITIONS OF BRIGHT SUNLIGHT. *TR"
"VEHICLE HAS TRANSMISSION DEFECT. MERGING INTO TRAFFIC IS VERY DANGEROUS. THE TRANSMISSION OFTEN SELECTS TOO HIGH OF A GEAR AND THERE IS NO POWER FOR THE VEHICLE TO ACCELERATE. THIS PUTS THE DRIVER/PASSENGERS IN DANGER DUE TO ONCOMING TRAFFIC. AFTER SEVERAL SECONDS, THE VEHICLE WILL SOMETIMES DO..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Gmc Yukon Denali — Other Years
See how this model compares across different model years.
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
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