This is the 2015 GMC Sierra All Terrain HD which can be characterized as a package compatible with the 2500 / 3500 HD crew cab and double cab models that have 4WD. It brings goodies such as aluminum underbody shields, a chrome front grille surround, bespoke cast-aluminum 18-inch rims, special badging, as well as chrome mirror caps, LED-infused headlights and body-colored bumpers. On the inside there’s a carbon fiber-like theme with an IntelliLink infotainment system and unique door sill plates. There’s also a Z71 Off Road kit bringing hill descent control, Rancho twin-tube shocks and a skid plate.
Motivation of the 2015 GMC Sierra All Terrain HD is provided by a large V8 6.0-liter Vortec engine delivering 322 bhp and a maximum torque of 515 Nm. Customers also have the possibility of opting for a Duramax V8 6.6-liter diesel unleashing 397 bhp and 1,037 Nm.
Sales of the model are slated to begin later this summer.