2008 GMC Sierra 2500 problems & reliability
63 owner complaints filed with NHTSA for the 2008 GMC Sierra 2500, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 39 | 62% |
| Unknown OR Other | 9 | 14% |
| Engine | 4 | 6% |
| Electrical System | 3 | 5% |
| Power Train | 3 | 5% |
| Structure | 3 | 5% |
| Equipment | 2 | 3% |
| Fuel System, Diesel | 2 | 3% |
| Fuel System, Gasoline | 2 | 3% |
| Seat Belts | 2 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 18 reported components →Mileage when problems occurred
Among the 28 complaints that included a usable odometer reading, the median reported incident mileage was 70,900 miles (middle 50% between 38,500 and 102,500 miles).
Complaints by incident year
What owners report
“The curtain airbags on both the passenger and driver side deployed while driving down the road. The truck is available for inspection although the deployed bags have been cut off in order to drive it home. Pictures were taken before doing so and are available for inspection. My son is pretty shaken up and has injuries…”
Air Bags · filed May 10, 2026
“Odometer Fraud. The contact purchased a 2008 GMC Sierra 2500. The contact stated that while researching the history of the vehicle it was discovered that there was a mileage discrepancy. The vehicle was a private sale. At the time of purchase, the vehicle mileage was 166,521 and while researching online, it was…”
Electrical System · filed Apr 23, 2025
“High speed collision with a cement truck destroyed most of the front portion of the vehicle. Neither passenger nor driver airbag deployed and seat belts did not lock up, injuring the driver. No warning lights indicating an airbag problem appeared prior to crash. The vehicle is now impounded at towing company yard…”
Air Bags · filed Sep 24, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
- NON-CRASH ENGINE COMPARTMENT FIRES
Engineering Analysis EA08010 · opened Jun 12, 2008 · closed Sep 8, 2008 · led to recall 08V441000
- NON-CRASH ENGINE COMPARTMENT FIRES
Preliminary Evaluation PE08010 · opened Feb 4, 2008 · closed Jun 12, 2008
Technical service bulletins
1,124 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2008 GMC Sierra 2500. The 10 most recent:
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire…
PIT4506J · Service Bulletin/Repair Instructions · issued Feb 16, 2026
New Vehicle Monitoring Programs Section in IVH
13598 · Other · issued Sep 9, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition…
PIT5161L · Service Bulletin/Repair Instructions · issued Jul 31, 2025
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
PIT5074R · Service Bulletin/Repair Instructions · issued May 30, 2025
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire…
PIT4506H · Service Bulletin/Repair Instructions · issued Feb 21, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2008 GMC Sierra 2500 has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2008 GMC Sierra 2500?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 70,900 miles. This does not predict when a particular vehicle will develop a problem.