GMC Roughs up Refinement With 2019 Sierra AT4

Meet the 2019 GMC Sierra AT4: Lifted and loaded

Unveiled at the NY auto show, the 2019 GMC Sierra AT4 is the debut model for the new sub-brand which Vice President of Global GMC Duncan Aldred says, "will be seen on every vehicle in our lineup in the next two years". Then again, with the amount of tire-swallowing potholes now scattered around the Big Apple, a rugged truck like the Sierra AT4 could be the ideal vehicle for either off-road excursions or an especially bumpy commute. Mud terrain-rated Goodyear Wrangler DuraTrac tires or 20-inch wheels with all-terrain tires also will be available. Hill Descent Control and a traction selection system for handling a variety of terrains are also included.

Of course, there are a lot of extra boxes you can check when you order your Sierra AT4 - you can replace the 5.3-liter V8 with the more potent 6.2-liter gas burner or the new 3.0-liter I6 diesel.

The AT4's exterior design includes red tow-hooks, dark exterior finishes, a body-color grille surround, and black chrome finish.

Overall we're pretty excited about the 2019 GMC Sierra AT4. A locking rear differential equally distributes power to both rear wheels. The interior includes darkened trim, textured aluminum finishes, and leather-appointed seating. Like other Sierras, a multicolor head-up display is optional; it includes data such as an off-road inclinometer that displays fore-and-aft degree of tilt, front tire angle and left-to-right tilt.

All-new ProGrade Trailering System with Trailering App offers a connected, comprehensive suite of trailering technology that brings more confidence to the towing experience than ever before in a Sierra. The CarbonPro box was designed specifically with three molded in wheel indents in the front bulkhead of the box to locate and secure the front tires.




This cargo bed, called the CarbonPro, uses carbon-fiber composite in the floor and inner panels, to help trim approximately 60 lbs. of weight compared to a traditional, all-steel bed construction.

When it comes to the space and storage vital to truck customers, the 2019 Sierra AT4 delivers innovative solutions. Available 6.2-liter V8 or Duramax 3.0-liter turbo-diesel engines can each be paired with a 10-speed automatic transmission.

The V-8 engines feature stop-start technology and GM's new Dynamic Fuel Management that enables the engine to operate on one to eight cylinders, depending on demand, to optimize power and efficiency.

The GMC Sierra AT4 goes on sale this fall.

GMC will sell a new line of off-road packages for its trucks and SUVs that aims to take advantage of recent enthusiasm for dirt-worthy utility vehicles as the overall consumer shift toward SUVs and trucks continues unabated.

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