2015 GMC Yukon Denali XL
This year had 30% to 100% more complaints than this model's typical year.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2003 | 32 |
| 2004 | 49 |
| 2005 | 34 |
| 2006 | 11 |
| 2007 | 61 |
| 2008 | 42 |
| 2009 | 22 |
| 2010 | 29 |
| 2011 | 69 |
| 2012 | 23 |
| 2013 | 13 |
| 2014 | 5 |
| 2015 | 65 |
| 2016 | 29 |
| 2017 | 4 |
| 2018 | 2 |
KNOWN PROBLEM AREAS
54% of complaints: exterior lighting — 35 distinct reports on file.
Show complaint excerpts
LED BRAKE LIGHT ALREADY BURNT OUT AND ONLY 2 YEARS OLD. OVER $600 TO FIX A LIGHT THAT IS SUPPOSE TO HAVE A UNLIMITED LIFE....
NHTSA ODI report, 20180111
VEHICLE WAS MANUFACTURED MID 2014, 2015 MODEL, CURRENTLY HAS JUST OVER 52K MILES. DRIVERS SIDE TAILLIGHT IS BEING TEMPERAMENTAL; NO WARNING LIGHTS INSIDE TO INDICATE A FAILURE.
NHTSA ODI report, 20171221
25% of complaints: electrical system — 16 distinct reports on file.
14% of complaints: power train — 9 distinct reports on file.
Show complaint excerpts
ACTIVE FUEL MANAGEMENT SYSTEM IN 2015 GMC YUKON DENALI XL-- ENGINE WAS RUNNING IN TRAFFIC AND STALLED OUT AT INTERSECTION MAKING A TURN. DEALERSHIP DIAGNOSED AS BENT PUSH ROD, BROKEN VALVE SPRING, BROKEN LIFTER.
NHTSA ODI report, 20171222
8% of complaints: suspension — 5 distinct reports on file.
6% of complaints: engine — 4 distinct reports on file.
SAFETY TIMELINE
No recalls on file for this model year.
Brake Vacuum Pump Failure
BUY-SMART CHECKLIST
2015 GMC Yukon Denali XL — pre-purchase inspection
- Test/inspect for exterior lighting issues (35 reports on file for this year).
- Test/inspect for electrical system issues (16 reports on file for this year).
- Test/inspect for power train issues (9 reports on file for this year).
OTHER YEARS OF THIS MODEL
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WORST YEARS
FAQ
Is the 2015 GMC Yukon Denali XL reliable?
Based on NHTSA complaint volume compared to this model's typical year, the 2015 GMC Yukon Denali XL is rated "worse than typical".
What are the most common problems with the 2015 GMC Yukon Denali XL?
The most-reported component is exterior lighting, accounting for 54% of complaints on file.
How many recalls does the 2015 GMC Yukon Denali XL have?
No recalls are on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.