2016 GMC Sierra All Terrain X

GMC has announced a special edition of the All Terrain Sierra with premium features that enhance off-road capability, along with an aggressive, monochromatic design. The new Sierra All Terrain X is offered in the 4WD crew cab/short box models with SLT trim, and will hit the pavement this spring. STANDARD SIERRA ALL TERRAIN FEATURES: 4WD with Eaton locking rear differential…