GMC unveiled the new 2015 Sierra All Terrain HD, a new heavy duty pick-up, based on the current 2500 HD/3500 HD double cab and crew cab models.
 
The new model comes with four wheel drive as standard and a new exterior package. It consists in a chromed grille, aluminum "underbody shields," body color bumpers, LED-infused headlights and chrome mirror caps, special badging and specially designed 18-inch aluminum wheels.
 
The interior is cutomized to look like it was dressed in carbin fibrealso featuring special side sills. The equipment list includes the new IntelliLink infotainment system and hill descent control, included in Z71 off-road package.
 
The propulsion is ensured by a 6.0-liter Vortec V8 engine that produces up to 322 bhp (240 kW) and 380 lb-ft (515 Nm) of torque. For those who want more power, there is always the optional 6.6-liter Duramax V8 diesel cranks out 397 bhp (296 kW) and 765 lb-ft (1,037 Nm) of torque.
 
The 2015 GMC Sierra All Terrain HD will go on sale during this summer.