GMC has a new Off-Road King: the 2023 Sierra AT4X AEV Edition

AEV is working its magic to bring GMC a beefier and even more off-road capable Sierra 1500 AT4X pickup truck.

GMC works with American Expedition Vehicles to manufacture 2023 Sierra 1500 AT4X even more capable. GMC calls it the most off-road capable factory Sierra ever thanks to new AEV front and rear bumpers, skid plates and upgraded wheels and tires. Plus it has more changes, both cosmetic and functional, that help make the Sierra AT4X AEV Edition stand out.

When GMC launched its AT4 trim level on the 2019 Sierra, the idea was a truck that offered some of the full-zoot Denali’s luxury appointments with less flash and more off-road capability. A truck that was better suited to dirt roads and the cottage driveway than a bent Denali truck in bright chrome.

AT4X gets short term as Top Sierra


It didn’t take long for GMC to outdo itself by making its debut Sierra AT4X. It’s an upgrade that gave the Sierra even more capability from the factory, including Multimatic’s magical DSSV coil-valve dampers. The AT4X was introduced late last year alongside the Sierra’s 2022 facelift.

The Sierra 1500 AT4X gets a standard 6.2L V8 and 10-speed automatic. New springs with the DSSV dampers mean 2 inches more travel in the front and an inch in the rear. There are electronic locking differentials on both axles, a larger gearbox, and some interior upgrades like ash wood moldings that you’ll just cover with dust and mud anyway.

AEV upgrades reinforce the off-road mandate

2023 GMC Sierra 1500 AT4X AEV Edition

AEV brings its more than two decades of hardcore off-road experience to the table to make Sierra even tougher.

Stamped steel front and rear bumpers can take a beating on the trail, with heavy-duty recovery points if you need to get a little help or help someone else out of trouble. The front bumper comes with winch capability, and GMC shows the truck equipped with one.

Five new sliding plates are made of boron steel. The high-strength steel plates protect the steering gear, gearbox, fuel tank and rear differential. One hangs down behind the front bumper to protect sensitive parts of the truck exposed by the Sierra’s steep approach angle.

Laser engraved wheels keep us spinning

2023 GMC Sierra 1500 AT4X AEV Edition

Eighteen-inch AEV Salta wheels are finished in gloss black with Salta and GMC laser-engraved on the face. The looks of these wheels are more than enough to make them cool, but they are also functional. They offer a recessed valve system designed to ensure you don’t get caught in the delicate stems of rocks.

The new wheels come with Goodyear Wrangler Territory mud-terrain tires. The 33-inch tires are a slight upgrade in diameter over the Duratrac tires on the standard AT4X.

Fitting the new bumpers and larger tires means that GMC has had to change the front grill and the front slightly. At the same time, GMC fitted gloss black door handles and a black interior tailgate to contrast the vehicle’s paint. There is AEV branding all over the truck, including on the bumpers and floor mats and headrest embroidery.

“The Sierra 1500 AT4X is an incredibly formidable platform when it comes to on- and off-road performance and capability,” said AEV CEO and Founder Dave Harriton. “We took our signature approach to help take this truck’s inherent off-road capability to the next level. We’re confident customers will love the result.”

AEV Edition is coming next year

GMC offers even more AEV upgrades as optional equipment. That list includes rocker panel guards and a bolt-on assist step meant to help you get in when you’re not off-roading.

Sierra 1500 AT4X AEV Edition will be available “later in the 2023 model year,” says GMC. The pickup will offer a payload of 1,290 pounds and a maximum towing capacity of 8,700 pounds.

2022 GMC Sierra 1500 AT4X
2022 GMC Sierra 1500 AT4X Review: What We Love (And Don’t)
Off-road enthusiast and GearJunkie Motors editor Bryon Dorr spent a long day and a few hundred miles in the latest top-dog off-road truck in GMC’s lineup. Here’s what he loved about the 2022 Sierra 1500 AT4X—and what he really wasn’t impressed with. Read more…

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