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SIERRA AT4 Performance

PERFORMANCE

GO OFF THE BEATEN PATH When you’re ready to leave pavement behind, do it with confidence knowing Sierra AT4 is equipped to handle the rugged terrain.
Off-Road Suspension and Shocks

The factory-installed 2-inch suspension lift gives you the ground clearance you want when heading off-road, while Rancho® monotube shock absorbers are off-road tuned to help smooth out rough terrain.

Adapt to the Road Conditions

Sierra AT4 comes standard with four-wheel drive and a 2-speed AutoTrac transfer case that includes low-range four-wheel-drive gearing that handles a variety of off-road conditions.

Capability Without Compromise

A locking rear differential helps maneuver out of deep terrain;

  • Available A/T tires handle tough terrain
  • Skid plates offer added protection up front and under body
  • Hill Descent Control is activated by a push of a button on the instrument panel, uses antilock braking to help provide a smooth, controlled descent in rough terrain
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POWER AND STRENGTH The first-ever Sierra AT4 has a powerful engine lineup that gives you the capability to head off-road, and the box strength to carry the gear you need to maximize the adventure.

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Powerful AT4 Engines

Whether you’re on the road or off, you’ll be driving with the capability of Sierra AT4’s proven powertrain portfolio:

  • The Regular cab AT4 is only available with a 5.3L v8 with active fuel management paired with a 6-speed automatic transmission. The Double and Crew cab AT4 come equipped with a New 5.3L V8 with Dynamic Fuel Management paired with 8-speed automatic transmission. both 5.3L v8 engines serve up 355 horsepower and 519 Nm of torque.
  • New available 6.2L V8* with Dynamic Fuel Management paired with all-new 10-speed automatic transmission provides and impressive 420 horsepower and624 Nm of torque​.
  • All-new industry-first Dynamic Fuel Management* system enables the engine to operate in 17 different patterns between two and eight cylinders, depending on demand, to optimize power delivery and efficiency.
  • The all-new 10-speed transmission has more gears that mean more ratios, which gives Sierra AT4 refined performance and outstanding shift quality.


Strong, Capable Cargo Box

This cargo box accommodates your active lifestyle with the functionality and strength to load and haul heavy toys and cargo. Cargo box capabilities include:

  • Best-in-class cargo volume in standard steel box, (1731 Liters)
  • Durable, high-strength, roll-formed steel box
  • The most innovative tailgate ever, the World’s First Six-Function MultiPro™ Tailgate, offers a fold-out step for easy access to the bed
  • 12 total cargo tie-downs – rated up to 226 KGs per corner (4)
  • Rear and side task lighting
  • New 230V electrical outlet in the bed
  • Larger CornerStep footwells in the rear bumper

INNOVATIVE TECHNOLOGY The advanced technology in Sierra AT4 helps improve your driving experience giving you a heightened awareness of where you are, where you’re going and how you’re traveling.

Available First-In-Class Rear Camera Mirror

Compared to a traditional inside rearview mirror, this rearview mirror display can function either as a traditional mirror or as a camera screen, helping to eliminate obstructions such as rear seat passengers and head restraints while providing a wider, less obstructed rear field of view.

Safety or driver-assistance features are no substitute for the driver’s responsibility to operate the vehicle in a safe manner. The driver should remain attentive to traffic, surroundings and road conditions at all times. Visibility, weather and road conditions may affect feature performance. Read the vehicle Owner’s Manual for more important feature limitations and information

All-New Traction Select System

This all-new system allows the driver to choose from preset drive modes that have been tailored for different terrain or weather conditions. It adjusts Sierra’s transmission shift points, throttle mapping and StabiliTrak to optimize performance for the situation. The available modes in the Traction Select System are:

  • Tour
  • Sport
  • Off-Road
  • Tow/Haul