AEV Sierra Grande Concept

Just ahead of the SEMA Show, held October 31-November 3, in Las Vegas, American Expedition Vehicles unveiled The GMC Sierra Grande Concept, their creative vision of how the GMC Sierra 2500 HD could evolve into “a legendary overlanding rig.”

Starting with a 2024 GMC Sierra 2500 HD in a regular cab, long bed configuration, AEV sourced the stamped steel front bumper from the Sierra HD AT4X AEV Edition and added a prototype brush guard for even more front-end protection. Additionally, AEV added (4) 7000 series off-road lights and a GM Performance/ComeUp 12.5k winch.

The concept truck runs on a 6.6-l Duramax Diesel V8, which delivers 470 hp and 975 lb ft of torque. An AEV Snorkel was also added to ensure that the 6.6L Duramax is breathing the cleanest/driest air possible, even under the most extreme conditions off-road.

One of the most noticeable exterior changes is AEV’s replacing the truck’s long bed with a 2.4 m (8’)-long aluminum tray bed. The company also stores the spare tire on a vertical mount behind the driver’s side rearview window area.
AEV worked with the GMC engineering team to incorporate a variety of Sierra HD AT4X components, such as control arms, steering knuckles, rear suspension and Multimatic DSSV dampers. The combination provides an extra 38 mm of lift over standard HD models. That additional lift enabled AEV to add 40’’ BFGoodrich tires, which were on the truck displayed at SEMA.

Source: American Expedition Vehicles

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