2008 Gmc Yukon Denali Xl: Reliability Data

Source: NHTSA — 54 complaints
54
Total Complaints
87,000mi
Median Mileage
AIR BAGS
Top Issue
1
Crash Reports

When Do Complaints Happen?

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

42,500 25th Percentile
87,000 Median Mileage
115,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

AIR BAGS
16
UNKNOWN OR OTHER
8
STRUCTURE:BODY
5
ELECTRICAL SYSTEM
4
ENGINE
4
LATCHES/LOCKS/LINKAGES
3
ELECTRONIC STABILITY CONTROL (ESC)
2
WHEELS
2
POWER TRAIN
2
FUEL SYSTEM, GASOLINE
1

Severity Assessment

1
Crashes
0
Fires
0
Injuries
0
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2008 GMC YUKON DENALI XL. WHEN STARTING THE VEHICLE, THE CHECK ENGINE WARNING LIGHT ILLUMINATED ON THE DASHBOARD. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE COMPUTER WAS RESET. APPROXIMATELY ONE WEEK LATER, THE CHECK ENGINE LIGHT RE-ILLUMINATED AND THE DEALER I..."
"2008 DENALI XL - DOOR LOCK FAILURES. 1ST REPAIR WAS UNDER WARRANTY @ 34000 MILES, REPLACED LEFT REAR DOOR LOCK. 2ND REPAIR WAS 8/4/10 FOR LEFT FRONT AND RIGHT REAR DOOR LOCKS REPLACED FOR $487.00 @ 40,000 MILES (OVER WARRANTY). DEALER EXPLAINED THAT MANY 2008 & 2009 GMC DENALIS HAVE BEEN COMING ..."
"DOOR LOCK FAILURE. POWER LOCKS ON 3 OUT OF 4 DOORS HAVE FAILED WITHIN THE FIRST 30,000 MILES, UNDER NORMAL USAGE. OVER $600 TO REPAIR TWO DOORS, BUT FAILED AGAIN. THIS IS A POTENTIAL SAFETY HAZARD AS THESE DOORS CANNOT BE UNLOCKED AND THEN OPENED FROM THE OUTSIDE. *TR"

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