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Off-road performance included in GMC Sierra AT4

Off-road performance included in GMC Sierra AT4

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Customer Communication Centre #163-005
1908 Colonel Sam Drive
Oshawa, ON
CA, L1H 8P7

Website:
gm.ca/gm/?adv=88728&k_clickid=4db264e3-bc7b-d568-5b20-00007d9cb43d

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GMC redefines the off-road space by introducing the all-new 2019 Sierra AT4. For the first time ever, the Sierra AT4 delivers a unique formula of authentic off-road capability and innovative technology paired with premium refinement and a bold appearance expected from GMC.

"The 2019 Sierra AT4 is designed for the customer who wants an elevated presence on the road and the capability to venture off life's beaten path," said Duncan Aldred, vice president of Global GMC. "It's also the beginning for the AT4 brand, which will be seen on every vehicle in our lineup in the next two years."

Building on the commanding presence of the next generation 2019 Sierra, the new Sierra AT4 enhances its confident, broad-shouldered stance with sophisticated, functional design elements that support its off-road capability. 

"The 2019 Sierra is the boldest expression ever for GMC's full-size pickup, and the new AT4 reinforces its essence of capability with distinctive, athletic cues," said Matt Noone, director of design, GMC Exteriors. "From every angle, it conveys GMC's premium yet functional design language."  

The Sierra AT4 has a unique look driven by dark exterior finishes and modern detailing. The front and rear bumpers and the grille surround are finished in body colour, while the bold grille design with its rugged, knurled texture is finished in black chrome set off by the Sierra's bold, C-shaped LED lighting signature.

Additional accent details such as the LED fog lamp bezels and fender trim continue the use of black chrome, while a premium high-gloss black finish is applied to the window trim, mirror caps and skid plate. Touches of red complete the package and make the AT4 stand out with subtle detailing in the Sierra's all-new AT4 signature emblems and bold, unique vertical tow hooks. The exterior details create a distinct and modern personality for the AT4 that projects GMC confidence and capability.

The interior also carries AT4-specific darkened trim, including dark-tinted and textured aluminum finishes on the steering wheel, center stack and sill plates, as well as a unique Jet Black/Kalahari colour accents in the seats and live stitching. 

Sierra AT4 comes standard with a factory installed 2-inch suspension lift that provides additional ground clearance and four-wheel drive with a two-speed transfer case that includes low-range four-wheel-drive gearing for extremely tough conditions. Sierra AT4 also includes standard off-road tuned Rancho monotube shock absorbers, a locking rear differential and Hill Descent Control, a driver assistance feature that leverages the anti-lock braking system to enable smooth, controlled descents on steep grades without the driver having to touch the brake pedal under certain conditions. The locking rear differential directs engine power equally to both rear wheels for the greatest traction on slippery or uneven terrain. 

Sierra AT4 features new versions of the proven 6.2L and 5.3L V-8 engines along with all-new Duramax 3.0L inline-six turbo-diesel engine. The available 6.2L and 3.0L engines are paired with a 10-speed automatic transmission. The 5.3L and 6.2L engines feature stop/start technology and new Dynamic Fuel Management that enables the engine to operate on one to eight cylinders, depending on demand, to optimize power and efficiency.