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GMC introduces Sierra HD All Terrain X

Third model in brand’s X series offered with all-new Duramax 6.6L diesel


October 12, 2016
Purchasing B2B

Image: GMC

Image: GMC

AUSTIN—GMC today introduced the 2017 Sierra HD All Terrain X, which joins Canyon and Sierra 1500 this fall as the third model in GMC’s limited-edition All Terrain X series.

GMC said the vehicle is offered on the Sierra 2500HD crew cab 4WD with a 6.0L gas V-8 engine or the all-new, next-generation Duramax 6.6L V-8 turbo-diesel. The new Duramax delivers a SAE-certified 445 hp (332 kW) and an SAE-certified 910 lb.-ft. of torque (1,234 Nm).

The All Terrain X’s customized appearance blends a premium package of monochromatic exterior trim and special equipment, complemented with GMC’s latest technologies. Content includes:

  • 18-inch black-painted aluminum wheels;
  • LT275/65R18 Goodyear Duratrac MT-rated tires that feature an aggressive tread pattern for outstanding off-road performance;
  • A unique body-color grille surround with All Terrain insert;
  • Body-color door handles and bodyside moldings;
  • Black power-adjustable heated and power-folding trailering mirrors with integrated turn signals, LED rear guidance lamps and LED amber clearance lamps;
  • Black belt moldings, front bumper skidplate and B-pillars;
  • 4-inch black sport side steps;
  • Black sport bar (mounted in the bed) designed to support available GMC Accessories LED off-road driving lamps; and
  • Offered in Black Onyx and Summit White exterior colors.

Additional All Terrain equipment includes a spray-on bedliner, Front and Rear Park Assist, the Z71 off-road suspension package, underbody shield, heated steering wheel and all-weather floor liners. The Eaton automatic locking rear differential is also standard.

The 2017 Sierra 2500HD All Terrain X also features GMC IntelliLink with an 8-inch-diagonal color touchscreen, Teen Driver, remote-locking tailgate, remote starting system, Rear Vision Camera, adjustable pedals, leather-appointed seats, heated front seats and wireless charging.