Sierra Heavy Duty’s world-class towing capability is enhanced for 2024 with an available 6.6L Duramax Turbo Diesel V8 engine and an all-new, more efficient turbocharger.
Sierra HD AT4X and AT4X AEV Edition are factory-lifted to provide the clearance you need to overcome off-road challenges.
Available AT4X-exclusive Multimatic™ DSSV dampers feature three separate spool valves to control damping and three connected chambers for fluid flow.
Tame the untamed in the First Ever Sierra HD AT4X AEV Edition. Equipped by off-road recreational driving and overland adventure travel experts American Expedition Vehicles (AEV), this off-road pickup is engineered for the roughest terrain.
AEV heavy-duty, stamped-steel, powder-coated front and rear bumpers offer added protection while summiting boulders, logs and rough terrain.
AEV Salta wheels with a 16-spoke design add to the AEV Edition’s rugged good looks.
The truck is accented with exclusive AEV embroidered badging on the front head restraints
Sierra Heavy Duty features a 12.3" diagonal digital Driver Information Center. Control and customize important vehicle, driving and infotainment content.
This advanced suite of intelligent technologies helps streamline the hitching and towing process with integrated tools that help enhance your sense of safety, confidence and visibility.
Standard on every new GMC - GMC Pro Grade Protection has you truly protected with features and services including:
Rear Cross Traffic Alert can warn you of detected left or right cross traffic behind your vehicle when you’re in Reverse.
Side Blind Zone Alert can provide side-mirror visual alerts when a moving vehicle is detected in a side blind zone. It can help you avoid lane change collisions.
Blind Zone Steering Assist can provide a brief, firm turn of the steering wheel when a potential collision is detected with a moving vehicle in the lane you’re entering.