The GMC Sierra 1500 AT4X AEV Edition pushes the pickup's limits

American Expedition Vehicles collaborated on the extreme off-road truck

GMC's most extreme Sierra just got taken to the max.

The GMC Sierra 1500 AT4X AEV Edition is a collaboration between the automaker and off-road equipment specialist American Expedition Vehicles.

AEV previously worked with General Motors on the Chevrolet Colorado ZR2 Bision and has given a similar treatment to the Sierra.

The standard Sierra 1500 AT4X features a 420-horsepower V8, two-inch body lift, skid plates, a full-time four-wheel-drive system with front and rear locking differentials and a special suspension system using racing-developed Multimatic shock absorbers that improve its off-road performance.

The 2023 GMC Sierra 1500 AT4X AEV Edition on a rocky hillside. The AT4X AEV Edition delivers extreme off-road capability without compromising on-road comfort. (GMC)

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AEV adds to that steel bumpers with provisions for a winch in front, a new set of five boron steel skid plates, black 18-inch wheels with 33-inch Goodyear mud terrain tires and a new grille design.

The 2023 GMC Sierra 1500 AT4X AEV Edition traveling off-road in the mountains. The AEV Edition features AEV branding throughout the vehicle as well as a black contrast inner tailgate.  Also included is a full-size spare 33-inch Goodyear Wrangler Territory MT tire. (GMC)

There's also AEV badging applied to the outside and inside the vehicle.

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The updates improve the truck's approach and departure angles and provide 11.2 inches of ground clearance.

The 2023 GMC Sierra 1500 AT4X AEV Edition maneuvering over off-road rocks. The AEV Edition includes a winch-capable front bumper and five boron-steel underbody skid plates. (GMC)

The model is otherwise loaded with the same premium equipment as the AT4X, including leather upholstery, massaging seats and a 360-degree camera system.

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Pricing hasn't been announced, but the AT4X currently starts at $77,395, and the AEV Edition will be available later in the 2023 model year.

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