2008 Gmc SIERRA DENALI: complaints, problems and recalls
Explore the records behind recurring owner reports.
Key facts
18 owner complaints analyzed
0 distinct recall campaigns
58,000 mi median reported failure mileage
Scope: 2008 model year. Data snapshot: . 15 complaints include usable failure mileage.
Most common problems
Air Bags is the most frequently named component, appearing in 3 of 18 complaints (16.7%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Braking behavior | 2 | 11.1% |
| Electrical and battery issues | 1 | 5.6% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Air Bags | 3 |
| Structure:Body | 3 |
| Unknown Or Other | 3 |
| Electrical System | 2 |
| Structure:Body:Door | 2 |
| Electronic Stability Control (Esc) | 1 |
| Exterior Lighting | 1 |
| Fuel System, Gasoline | 1 |
Air Bags: 3; Structure:Body: 3; Unknown Or Other: 3; Electrical System: 2; Structure:Body:Door: 2; Electronic Stability Control (Esc): 1; Exterior Lighting: 1; Fuel System, Gasoline: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 5 |
| 25,000 to 49,999 | 2 |
| 50,000 to 74,999 | 2 |
| 75,000 to 99,999 | 3 |
| 100,000 to 149,999 | 2 |
| 150,000 and above | 1 |
Under 25,000: 5; 25,000 to 49,999: 2; 50,000 to 74,999: 2; 75,000 to 99,999: 3; 100,000 to 149,999: 2; 150,000 and above: 1
Under 25,000 miles has the most reports with usable mileage (5). 3 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 2 |
| 2012 | 2 |
| 2013 | 1 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
2009: 1; 2010: 1; 2011: 2; 2012: 2; 2013: 1; 2014: 4; 2015: 2; 2016: 1; 2017: 1; 2018: 1; 2019: 2
Pattern summary
Air Bags leads the component reports. Braking behavior appears in 2 complaint narratives. Electrical and battery issues appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Examples from the source records
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10258312 · 2009-02-11 (February 11, 2009)
2008 GMC SIERRA DENALI HAS INTERMITTENT FUEL GAUGE OPERATION. AFTER FILLING UP THE VEHICLE WHILE DRIVING THE FUEL GAUGE NEEDLE WILL DROP FROM FULL TANK INDICATION TO EMPTY TANK INDICATION EVEN THOUGHT THE TANK IS FUEL OF FUEL. THE DEALER HAS REMOVED THE TANK AND REPLACED THE FUEL SENDING UNIT, BUT HAS NOT RESULTED IN A FIX JUST AN EDUCATED GUESS. ALSO IN THE MORNINGS THE VEHICLE EXPERIENCES A VERY LOUD KNOCKING NOISE WHICH WHEN CONFRONTED AT THE DEALER WAS TOLD THAT THIS WAS A NORMAL NOISE. OCCURS EVERYDAY IN THE MORNING AND WHEN LEAVING WO…
Owner-reported narrative. 3,000 miles reported. Look up ODI 10258312 at NHTSA ↗
Owner report 10374137 · 2010-12-28 (December 28, 2010)
MY 2008 GMC SIERRA DENALI HAS WATER CONDENSATION IN BOTH OF THE TAIL LIGHTS. ITS NEVER HAPPENED BEFORE ON ANY OF MY GMC TRUCKS AND THIS DENALI WASN'T CHEAP.
Owner-reported narrative. 22,000 miles reported. Look up ODI 10374137 at NHTSA ↗
Owner report 10387001 · 2011-03-09 (March 9, 2011)
TL* THE CONTACT OWNS A 2008 GMC SIERRA DENALI. THE CONTACT STATE THAT DURING RAINY WEATHER, WATER WOULD LEAK INTO THE VEHICLE FROM THE SUNROOF RESULTING IN SEVERE WATER DAMAGE TO THE HEADLINER. THE VEHICLE WAS NEITHER DIAGNOSED NOR REPAIRED FOR THE FAILURE. THE FAILURE MILEAGE WAS 45,000.
Owner-reported narrative. 45,000 miles reported. Look up ODI 10387001 at NHTSA ↗
Owner report 10425546 · 2011-09-15 (September 15, 2011)
THE TIRES SEAL AT THE WHEELS LEAK AIR CONTINUOUSLY. CAUSING THEM TO BE REFILLED. IF THEY GO DOWN POSSIBLE ACCIDENTS CAN RESULT. GM WILL DO NOTHING. THE WHEELS ARE CORRODING AND CAUSING THE PROBLEM. RIGHT WHERE THE TIRE MEETS THE WHEEL. *KB
Owner-reported narrative. 79,000 miles reported. Look up ODI 10425546 at NHTSA ↗
Owner report 10445666 · 2012-01-28 (January 28, 2012)
AS I REACHERD TO OPEN THE PASSENGER DOOR I SLICED MY FINGER INDEX FINGER AND GOT QUITE A BAD SPLINTER IN MY. MIDDLE FINGER. *TR
Owner-reported narrative. 68,000 miles reported. Look up ODI 10445666 at NHTSA ↗
Owner report 10489378 · 2012-12-20 (December 20, 2012)
EXTERNAL LEFT REAR DOOR HANDLE PULLED OFF WHEN SIMPLY OPENING THE DOOR 11/15/2010. EXTERNAL LEFT FRONT DOOR HANDLE PULLED OFF WHEN SIMPLY OPENING THE DOOR 12/15/2012. TWO DOOR HANDLES POP OFF ON A NEW VEHICLE NOT A DEFECT? SAME FLIMSY PLASTIC FASTENER ATTACHMENT BROKEN IN BOTH CASES. GOOGLE SEARCH INDICATES THIS IS A COMMON DEFECT EXPERIENCED BY NUMEROUS OWNERS THAT GMC AND CHEVROLET WILL NOT ADMIT TO. THE GMC DEALER EVEN ACKNOWLEDGED IT'S A DEFECT! REPAIR COST - $300/HANDLE! *TR
Owner-reported narrative. 18,000 miles reported. Look up ODI 10489378 at NHTSA ↗
Owner report 10490928 · 2013-01-03 (January 3, 2013)
I JUST READ THE SAFETY NOTICE FOR GMC 2007 YUKON INTERIOR DOOR HANDLES DELAMINATING AND CREATING SHARP CUTTING EDGES (EA 10004). THE EXACT SAME THING HAS HAPPENED ON MY 2008 GMC DENALI SIERRA (DRIVER SIDE) - I'VE SLICED MY FINGER A 3RD TIME AND AM NOW HAVING THE HANDLE REPLACED AT A COST OF $240. WHEN I CALLED GMC CUSTOMER COMPLAINT LINE THEY OFFERED NO HELP JUST EXCUSES...POOR CUSTOMER SERVICE...WOW, NO WONDER GM WENT BANKRUPT!! *TR
Owner-reported narrative. 78,000 miles reported. Look up ODI 10490928 at NHTSA ↗
Owner report 10559297 · 2014-01-10 (January 10, 2014)
DASH CRACKED TOP LEFT CORNER PASSENGER SIDE AIR BAG. THIS IS A VERY COMMON PROBLEM SIMPLY GOOGLE GMC CRACKED DASH AND YOU SHALL SEE. IF THE AIR BAG DEPLOYS PLASTIC SHRAPNEL WOULD BE SENT ALL OVER THE CABIN. VERY DANGEROUS PROBLEM THAT GM IS IGNORING A RECALL SHOULD BE ISSUED. *TR
Owner-reported narrative. 58,000 miles reported. Look up ODI 10559297 at NHTSA ↗
Recall history
0 distinct campaigns affect this selection. Announcement dates below are different from vehicle model years. A campaign may cover multiple years.
No recall campaigns are recorded in this snapshot.