Vehicle Data Hub

2008 GMC Yukon Denali XL problems

NHTSA has received 57 complaints about the 2008 GMC Yukon Denali XL, and 30% of them involve air bags. Next are body & structure (11%) and engine (9%).

At a glance

Complaints
57 filed with NHTSA
Most reported
Air bags 30% of complaints
Crashes and fires
1 and 0
Injuries and deaths
0 and 0
Typical mileage
89,000 miles 44 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Air bags 30%
  • Body & structure 11%
  • Engine 9%
  • Electrical system 7%
  • Latches & locks 5%
  • Stability control 5%
  • Drivetrain & axles 4%
  • Fuel system 4%
  • Wheels 4%
  • Brakes 2%

When problems show up

Complaints by mileage, 2008 GMC Yukon Denali XL Complaints by odometer reading in 20,000-mile steps. The median is about 89,000 miles. 0k to 20k miles: 3 complaints 20k to 40k miles: 5 complaints 40k to 60k miles: 4 complaints 60k to 80k miles: 4 complaints 80k to 100k miles: 10 complaints 100k to 120k miles: 11 complaints 120k to 140k miles: 5 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 2 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 89,000 miles
Based on 44 complaints that include mileage. 27% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles3
20k to 40k miles5
40k to 60k miles4
60k to 80k miles4
80k to 100k miles10
100k to 120k miles11
120k to 140k miles5
140k to 160k miles0
160k to 180k miles2
180k to 200k miles0
200k+ miles0

What the data shows

Of the 44 complaints that include odometer readings, half describe a problem before roughly 89,000 miles. For air bags specifically, the median reported mileage is about 97,000 miles (10 complaints with mileage).

Safety-related details: 1 complaint mentions a crash. Its complaints are less severe on average than those of 95% of model years in our database.

Looking only at complaints filed within five years of the model year (so older and newer years are comparable), the 2008 ranks 8th most-complained-about out of 11 model years of the GMC Yukon Denali XL with enough data (19 complaints in that window).

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

I was rear ended at approximately 8:00 am this morning. Both my vehicle and the truck that hit me likely suffered damage that will result in them being totaled by the insurance companies. I have a major concern about my airbags not deploying. I have not yet read the police report, but the dodge ram truck that hit me while I was stopped at a light hit my yukon with great force. This was on a highway (204th street) in elkhorn, ne

Reported at 135,000 miles, May 2017 Crash

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 informed the contact to continue driving the vehicle and the light would shut off. Approximately 30 miles later, the check engine light shut off.

Reported at 14,000 miles, December 2008

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 in with door lock failures. This is a safety hazard as you cannot unlock the rear doors from the outside when a child is in a carseat for instance. Should be a recall.

Reported at 40,000 miles, August 2010

Was waiting for a red light to change and suddenly my dashboard lit up saying it was reducing power to the engine, disabling stability control and something else.. I was not able to drive the car for for 2 hours after that... I.got the car towed to my house and when I went back to fallowing morning the car started with out the engine light on..2 days after the same thing happened while driving on the highway at 65 MPH, it was a scary experience since the car reduced power very fast to 20 MPH..

Reported at 111,280 miles, September 2011

This is twice that I've received the p2138 throttle body sensor code, which causes reduced engine power and has subsequent issues around stabilitrack/awd. The first time was in the middle of an intersection, we limped out of the intersection at 3 MPH. Today, my wife limped home from the store. This is extremely frustrating and should have been recalled a long time ago!!

Reported at 117,568 miles, November 2014

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