Worst 2008 GMC Sierra Problems
Top 3 most-reported issues with average mileage at failure.
Airbags
Electrical Faults
Latches / Locks
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All Problems by Category
Every NHTSA complaint category for the 2008 GMC Sierra.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Airbags | 29 | 3 | — | 73,748 mi | |
| Electrical Faults | 15 | — | — | 67,372 mi | |
| Latches / Locks | 11 | — | — | 60,316 mi | |
| Structural Problems | 5 | — | — | 64,000 mi | |
| Body Structure | 4 | — | — | — | |
| Electronic Stability Control | 2 | — | — | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Steering Defects | 2 | 1 | — | — | |
| Air Bags:Frontal:Sensor/Control Module | 1 | — | — | — | |
| Engine Problems | 1 | — | — | — | |
| Diesel Fuel System | 1 | — | — | — | |
| Gasoline Fuel System | 1 | — | — | — | |
| Brakes | 1 | — | — | — | |
| Hydraulic Brakes | 1 | — | — | — | |
| Structure:Body:Door | 1 | — | — | — | |
| Structure:Frame And Members | 1 | — | — | — | |
| Structure:Frame And Members:Underbody Shields | 1 | — | — | — | |
| Suspension Failures | 1 | — | — | — | |
| Unintended Acceleration | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2008 GMC Sierra. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Recalls for 2008 GMC Sierra
1 NHTSA recall campaign affecting ~1,365,070 vehicles.
GM IS RECALLING CERTAIN MODEL YEAR 2006-2009 BUICK, LUCERNE; CADILLAC DTS; HUMMER H2; MODEL YEAR 2008-2009 BUICK ENCLAVE; CADILLAC CTS; MODEL YEAR 2007-2009 CADILLAC ESCALADE, ESCALADE ESV, ESCALADE EXT; CHEVROLET AVALANCHE, SILVERADO, SUBURBAN, TAHOE; GMC ACADIA, SIERRA, YUKON, YUKON XL; SATURN OUTLOOK; AND MODEL YEAR 2009 CHEVROLET TRAVERSE VEHICLES EQUIPPED WITH A HEATED WASHER FLUID SYSTEM (HWFS). A RECALL WAS IMPLEMENTED IN 2008 TO ADD A FUSE TO THE CONTROL CIRCUIT HARNESS TO ADDRESS THE POTENTIAL CONSEQUENCES OF A PRINTED CIRCUIT BOARD (PCB) ELECTRICAL SHORT. HOWEVER, THERE HAVE BEEN NEW REPORTS OF THERMAL INCIDENTS ON HWFS MODULES AFTER THIS IMPROVEMENT WAS INSTALLED. THESE INCIDENTS RESULTED FROM A NEW FAILURE MODE ATTRIBUTED TO THE DEVICE'S THERMAL PROTECTION FEATURE. THE SIGNIFICANCE VARIES FROM MINOR DISTORTION TO CONSIDERABLE MELTING OF THE PLASTIC AROUND THE HWFS FLUID CHAMBER.
Other GMC Sierra Years
2008 GMC Sierra — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2008 GMC Sierra reliable?
What are common problems with the 2008 GMC Sierra?
At what mileage do problems start on the 2008 GMC Sierra?
How safe is the 2008 GMC Sierra?
Does the 2008 GMC Sierra have any recalls?
Should I buy a 2008 GMC Sierra?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full GMC Sierra reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2008 GMC Sierra
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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