A new video takes a closer look at the origins of the GM-powered Grumman LLV and how it became one of the most important ...
Collectors chase the GMC Sierra Classic 454 because it captures the last gasp of big-block torque in a square-body truck.
The 4L60E can support gross vehicle weight limits of 6,000 pounds, while the 4L80E can support 8,000 pounds. Some 4L60Es also ...
GMC Sierra sales grew six percent to 85,436 units in Q3 2025, placing fourth ahead of Toyota and Nissan and close to ...