2011 GMC Sierra 1500 Z71 4x4. CLEAN CARFAX... ARE YOU READY TO TAKE ON THE ROADS AND TERRAINS TEXAS HAS TO OFFER? THIS BEAUTIFUL SIERRA WILL TAKE IT WITH EASE. Z71 4X4! BRUSH GUARD! SPRAY ON BED LINER! TOWING PACKAGE! SEATS SIX! POWER SEATS! PEDAL ADJUSTER! FLEX FUEL!... via AutoRevolution