GMC Reveals All-New AT4 Off-Road Package for All-New 2019 Sierra 1500

2019 GMC Sierra 1500 AT4

GMC's all-new AT4 off-road package will make its debut this week at the 2018 New York International Auto Show, arguably the off-roading capital of the U.S. (we kid, obviously ... but then again, hear tell NYC potholes can make for a veritable off-road course). The package will debut on the also-all-new 2019 GMC Sierra 1500 half-ton pickup truck first revealed earlier this month.

Related: More 2018 New York Auto Show News

The AT4 package will migrate to other GMC vehicles in due time, but for now will be limited to the half-ton 1500. AT4 Sierra 1500s share their underpinnings with the 2019 Chevrolet Silverado 1500 Z71 Trailboss and are equipped with:

  • A 2-inch lift
  • Standard four-wheel drive with two-speed transfer case
  • Locking rear differential
  • Skid plates
  • Rancho-brand monotube shocks
  • 18-inch wheels with all-terrain tires or mud-terrain Goodyear Wrangler DuraTrac tires
  • Optional 20-inch wheels with all-terrain tires

Initial AT4 Sierras will be limited to a 5.3-liter V-8, but a 6.2-liter V-8 and turbo-diesel 3.0-liter inline-six-cylinder engine will be available later this year.

The 2019 GMC Sierra 1500's appearance remains more differentiated from its Silverado sibling when in AT4 form. It features a black-chrome grille and foglight bezels along with body-color front and rear bumpers and grille surround. Red emblems and tow hooks add a splash of color.

All AT4 Sierras will have leather seating and the Jet Black/Kalahari color combination is the only interior color choice. Head restraints get AT4 badge embroidery, and all-weather floormats are standard.

For more details, check out the full preview on sister site PickupTrucks.com, and stay tuned to our 2018 New York auto show landing page for more coverage of the 2019 GMC Sierra 1500 AT4 and other vehicles at the show.

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