2025 GMC SIERRA HD Power Train Problems
1 NHTSA complaint on file
Power Train Issues in the 2025 GMC SIERRA HD
1 power train complaint has been filed with NHTSA for the 2025 GMC SIERRA HD. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
1
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Power Train Complaints
The 2025 GMC Sierra 2500 HD, equipped with the 10-speed "Allison" transmission, rough shifting,