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2008 GMC Sierra Denali

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

About this comparison →
18Owner complaints

Model-year median: 12

0Recall campaigns

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0Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
4
20055
20061
200718
20087
200910
201028
2011
Compare all Sierra Denali years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Structure
6Air Bags
3Unknown Or Other
3Electrical System
2Electronic Stability Control (esc)
1
All reported categories
Exterior Lighting
1Fuel System, Gasoline
1Latches/locks/linkages
1Service Brakes
1Visibility
1Wheels
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 15 of 18 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Structure. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Air Bags. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports0 fire reports1 injury reports

Electrical System complaints

2 reports
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91,030 miles · Dec 18, 2014
Electrical System

I WAS DRIVING ON THE HIGHWAY WHEN ALL THE LIGHTS ON THE INSTRUMENT CLUSTER CAME ON AND WENT CRAZY AND SO DID THE RADIO. THE TRUCKS BRAKES LOCKED UP AND CAME TO A COMPLETE STOP. THE TRUCK TURNED OFF AND WHEN I TRIED TO TURN IT BACK ON IT WAS DEAD. OPEN UP THE HOOD AND DISCONNECTED THE BATTERY AND RECONNECTED AND THE TRUCK TURNED …

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I WAS DRIVING ON THE HIGHWAY WHEN ALL THE LIGHTS ON THE INSTRUMENT CLUSTER CAME ON AND WENT CRAZY AND SO DID THE RADIO. THE TRUCKS BRAKES LOCKED UP AND CAME TO A COMPLETE STOP. THE TRUCK TURNED OFF AND WHEN I TRIED TO TURN IT BACK ON IT WAS DEAD. OPEN UP THE HOOD AND DISCONNECTED THE BATTERY AND RECONNECTED AND THE TRUCK TURNED ON THIS HAS NOT BEEN THE ONLY TIME IT HAS HAPPEN. *TR

NHTSA ODI #10667174

128,000 miles · Oct 2, 2014
Electrical SystemElectronic Stability Control (esc)Service Brakes

MY TRUCK STARTED TO ACTIVATE THE BRAKES IN THE MIDDLE OF THE 3 LANE 680 FREEWAY, DOORS STARTED TO LOCK AND UNLOCK, NAVIGATION WENT DARK, MULTIPLE DIFFERENT DISPLAYS ON DASHBOARD, NUMBER OF LIGHTS FROM THE AIR CONDITIONER UNIT, CAME ON. ACCELERATION OR BRAKES WOULD NOT RESPOND, WE WERE UNABLE TO DRIVE OFF THE FREEWAY. IT WAS A S…

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MY TRUCK STARTED TO ACTIVATE THE BRAKES IN THE MIDDLE OF THE 3 LANE 680 FREEWAY, DOORS STARTED TO LOCK AND UNLOCK, NAVIGATION WENT DARK, MULTIPLE DIFFERENT DISPLAYS ON DASHBOARD, NUMBER OF LIGHTS FROM THE AIR CONDITIONER UNIT, CAME ON. ACCELERATION OR BRAKES WOULD NOT RESPOND, WE WERE UNABLE TO DRIVE OFF THE FREEWAY. IT WAS A SCARY MOMENT, WE WERE LUCKY THAT NO BIG RIG WAS FOLLOWING US, OR IT WOULD HAD RUNS US OVER, AND PROBABLY KILLED US. *TR

NHTSA ODI #10640690

Official recalls

0

No recalls in this snapshot.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.