2014 GMC Denali
Only 5 complaints on file — too few for a fair verdict.
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.
Only 5 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 1999 | 14 |
| 2000 | 21 |
| 2001 | 22 |
| 2002 | 23 |
| 2003 | 32 |
| 2007 | 3 |
| 2008 | 4 |
| 2009 | 2 |
| 2010 | 5 |
| 2011 | 11 |
| 2012 | 6 |
| 2013 | 5 |
| 2014 | 5 |
| 2015 | 18 |
KNOWN PROBLEM AREAS
Only 5 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
1 of 5 total reports mentions: service brakes.
Show complaint excerpts
BRAKE FAILURE. THE BRAKE VACUUM PUMP FAILED. I MARKED THE FAILURE AS TODAY AS THE DEALERSHIP CONFIRMED THE FAILURE. THE FAILURE OCCURRED A MONTH OR SO AGO. IT DOES NOT HAPPEN ALL OF TIME.
NHTSA ODI report, 20190422
1 of 5 total reports mentions: fuel/propulsion system.
Show complaint excerpts
CHECK ENGINE LIGHT CODE FOR DEF HEATER FAILURE. POSSIBLE LIMP MODE EFFECT IN TRAFFIC.
NHTSA ODI report, 20180224
1 of 5 total reports mentions: engine.
1 of 5 total reports mentions: electronic stability control (esc).
1 of 5 total reports mentions: electrical system.
Show complaint excerpts
BLIND SPOT SENSORS IN THE MORRORS ARE ALWAYS LIGHTING UP WITH NOTHING TO SET THEM OFF.GM SAYS THERE IS NO FIX AND THEY KNOW OF THIS PROBLEM WITH THE ACADIA
NHTSA ODI report, 20190110
SAFETY TIMELINE
No recalls on file for this model year.
BUY-SMART CHECKLIST
2014 GMC Denali — pre-purchase inspection
- Test/inspect for service brakes issues (1 reports on file for this year).
- Test/inspect for fuel/propulsion system issues (1 reports on file for this year).
- Test/inspect for engine issues (1 reports on file for this year).
FAQ
Is the 2014 GMC Denali reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2014 GMC Denali?
The most-reported component is service brakes, accounting for 20% of complaints on file.
How many recalls does the 2014 GMC Denali 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.