We Took The 2022 GMC Sierra AT4X Mudding: Live Photo Gallery
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GM Authority recently spent some time behind the wheel of the 2022 GMC Sierra AT4X, so naturally, we had to take the most off-road-capable Sierra into the appropriate environment for some full and proper testing.
We drove our clean and shiny Sierra AT4X tester, coated in Cayenne Red Tintcoat, to a mud/off-road area in the Everglades to see how the truck performed. Now, we’re sharing all the muddy results in the following GM Authority Live Photo Gallery.
As a reminder, the GMC Sierra AT4X trim level was introduced for the 2022 model year in conjunction with the light-duty pickup’s full refresh, slotting in above the “regular” GMC Sierra AT4 with even more capability and rough-stuff ability. Under the hood, the GMC Sierra AT4X is equipped with the naturally aspirated 6.2L V8 L87 gasoline engine as standard, producing 420 horsepower and 460 pound-feet of torque. The engine also sounds pretty good in stock form. Output is routed through the GM 10-speed automatic transmission, while front and rear e-locking differentials and a two-speed Autotrac system put the power down.
The exterior complements the goodies under the skin with the features and styling to match. Up front, the GMC Sierra AT4X gets a reshaped grille for the 2022-model-year refresh, incorporating a Black chrome header and grille insert bars with gloss black accents. Also note the revised headlamps with C-shaped LED signatures, plus a set of vertical recovery hooks and fog lamps.
In the corners, the 2022 GMC Sierra AT4X rolls on 18-inch painted gloss black aluminum wheels wrapped in mud terrain tires. The suspension features Multimatic DSSV dampers with a two-inch factory. Our tester was also equipped with upgraded rocker protection, and optional extra for the truck.
Moving to the rear, the 2022 GMC Sierra AT4X features the GMC MultiPro tailgate as standard, while the exhaust pipes are integrated up and underneath the rear bumper, providing enhanced ground clearance when bashing around in the dirt.
Under the body panels, the 2022 GMC Sierra AT4X rides on the GM T1 platform, while production takes place at the GM Silao plant in Mexico and the GM Fort Wayne plant in Indiana.
“The Sierra AT4X tackled the dirt and mud trails without breaking a sweat, something that we fully expected it to do,” says GM Authority Executive Editor, Alex Luft. “The truck felt solid as it went through the various mud trails and puddles, with the front and rear e-lockers delivering power to the grippy Goodyear Wrangler DuraTrac tires, while the DSSV shocks controlled the body motions on the rough stuff.”
“The cabin was kept dry as the triple seals around the doors did their job at keeping the vast amounts of splash water and mud at bay, while the Premium Floor Liners helped keep the floor clean from the vast amount of sand trekked into the cabin via our shoes,” Luft added. “And while this particular course didn’t have much use for the optional rocker protectors (this is Florida, after all), we imagine they will come in quite handy on more appropriate trails.”
Enjoy the gallery below of the Sierra AT4X getting dirty in the mud, and be sure to subscribe to GM Authority for more GMC Sierra news, GMC news, and around-the-clock GM news coverage.
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Speaking as a South Floridian, I am not a fan of vehicles tearing around in the ‘Glades.’ This delicate eco system should be protected and off limits for this type of activity.
I can promise you that no parts of the Everglades ecosystem were harmed during our testing. We stayed on designated trails and abided by all rules.
Nice photos! I’m not a truck guy (more into sports cars), but this AT4X is making me more and more interested in trucks.
These are very impressive and capable trucks, but why does this truck ride on 32’s?
The 33’s on the ZR2 look properly fitted so why did the AT4X decide to go smaller, given that many people are frustrated 35’s aren’t an option.
The tires should be 35’s ! The massive truck is riding on ballerina shoes.Also a diesel option would be great!
Truck sounds like it’s pretty sick! I can’t wait to test one. Does it have catback exhaust standard then or why’s it sound so good? I have an at4 carbon pro and I absolutely love it but wish it had some more growel