2008 GMC Yukon Denali: common problems

Owners of the 2008 GMC Yukon Denali filed 58 complaints with NHTSA, most often about air bags and structure. Details by component below, with sources.

Key figures

Owner complaints: 58

What fails most often

1 Air bags 38% of all complaints
2 Structure 14% of all complaints
3 Electrical system 12% of all complaints
4 Latches, locks, linkages 12% of all complaints
5 Powertrain 9% of all complaints
6 Equipment 3% of all complaints
7 Wheels 3% of all complaints
8 Electronic stability control 2% of all complaints

Circle size and colour show each component’s share of NHTSA complaints. Schematic only, not a drawing of the exact model.

Air bags: 22 complaints (38% of all).
Structure: 8 complaints (14% of all).
Electrical system: 7 complaints (12% of all).
Latches, locks, linkages: 7 complaints (12% of all).
Powertrain: 5 complaints (9% of all).

Symptoms owners describe

How many of the 58 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).

door locks, latches, handles7 · 12%
knocking, grinding or other noise4 · 7%
warning lights, check engine3 · 5%
airbag warning light2 · 3%
vibration2 · 3%
rust, corrosion1 · 2%
seat belts1 · 2%
stalls while driving1 · 2%
windows, sunroof1 · 2%

Components owners complain about

Component	Owner complaints	involving a crash	Technical service bulletins (TSB)
Air bags	22	0	0
Structure	8	0	0
Electrical system	7	0	0
Latches, locks, linkages	7	0	0
Powertrain	5	0	0
Equipment	2	0	0
Wheels	2	0	0
Electronic stability control	1	0	0
Engine and cooling	1	0	0
Fuel/propulsion system	1	0	0
Seat belts	1	0	0
Service brakes	1	0	0
Steering	1	0	0
Tires	1	0	0

What owners report

Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.

Additionally, the contact then stated that all four tires exhibited cracks on the sidewall, causing him to inflate the tires daily. The vehicle was taken to an independent mechanic who confirmed there were no nails in the tires. The tires were not replaced. The tires were replacement tires.
Tires · 2022-10-17 · NHTSA complaint #11489588
Doors locks and windows don't always work. Sometimes when I shut my car off it dies. Like I can't turn it back on. Running boards don't go up, can't lock it, nothing. Dead. Then 15 minutes later it's fine.
Electrical system · 2019-05-09 · NHTSA complaint #11206510
Tl* the contact owns a 2008 gmc yukon denali. The contact stated that a rod prematurely fractured into the fuel tank and a loud noise was heard. After parking the vehicle, the contact noticed that fuel had leaked onto the ground. The vehicle was towed to an independent mechanic for diagnostic testing.
Fuel/propulsion system · 2018-01-17 · NHTSA complaint #11063350
The contact stated that the air bag warning indicator illuminated. The contact took the vehicle to the local dealer (reedman toll auto world, [address] #101, langhorne, [ZIP]) where it was diagnosed that an air bag sensor needed to be replaced.
Air bags · 2017-09-18 · NHTSA complaint #11023929
When the car comes back on all gauge lights come on for a brief second. And the thermostat goes up a little bit because the fan had shut off for a minor second.
Electrical system · 2017-08-06 · NHTSA complaint #11013295
All 4 exterior door handles are broken because of a manufacturers defect which has been recalled in previous years. The doors will close and lock the passengers in the car on occasion and could cause a serious safety hazard in an emergency.
Latches, locks, linkages · 2017-02-16 · NHTSA complaint #10955828
My bridgestone dueler h/l alenza tires are extremely dry rotted. So bad that the sidewall cracked bad enough to leak air. Tires still have lots of tread left.
Wheels · 2016-11-09 · NHTSA complaint #10925180
Tl* the contact owns a 2008 gmc yukon denali. While driving approximately 30 mph, the vehicle idled, but failed to accelerate. The contact had to pull over to the side of the road and shut the engine off. After a few minutes, the vehicle restarted and was driven home.
Powertrain · 2016-09-08 · NHTSA complaint #10904703

When owners complained

NHTSA complaints by filing year. The peak shows at what age the problems show up most.

20104
20113
20125
20132
20142
20155
201615
201714
20184
20193
20221

Comparison

By complaint count this model year ranks 4,955 of 36,656 model years in the NHTSA data (top 14% most complained about).

On average one model year of the Yukon Denali has 45 complaints (20 years in the data). This year has 58, above average.

What to check before buying

Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
Structure. Rails, pillars, panel gaps, signs of pulling or welding.
Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Latches, locks, linkages. Door, hood and tailgate latches, especially near the impact.

Other years of this model

Questions and answers

What are the most common problems with the 2008 GMC Yukon Denali?

Owner complaints to NHTSA most often mention: air bags, structure, electrical system. Total complaints: 58. The most frequent symptoms in complaint texts: door locks, latches, handles (12%), knocking, grinding or other noise (7%), warning lights, check engine (5%).

How many service bulletins (TSB) were issued for the 2008 GMC Yukon Denali?

NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.

Should I buy a 2008 GMC Yukon Denali from a US auction?

Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.

Other 2008 models

Read also

Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.