As GMC celebrates its 100th Anniversary, the GM truck maker reveals the latest version of what an authentic professional grade truck can be with the introduction of the 2002 Terra4 concept vehicle.

GMC deemed the hot truck concept good enough for production but went with a 4.3-liter V6 as a power source, with a GM ...

Known as the Chevrolet Silverado EV ZR2 Concept, this 1100-hp ... KM3 Mud-Terrain tires. The truck also benefits from the tri-motor setup found in the GMC Hummer EV, which provides 1100 hp.