The Chevrolet Silverado 4WD TrailBoss is a special edition of the popular Silverado pickup truck that is designed for off-road adventures. Unique features of the TrailBoss include off-road suspension, locking rear differential, skid plates, aggressive tires, and a two-inch factory-installed lift kit. The TrailBoss also has an upgraded infotainment system and a host of convenience and driver-assistance features.