How Are the GMC Sierra AT4 and AT4X Different?

GMC has cracked the formula for manufacturing some of the best-in-class pickup trucks with the 2022 Sierra 1500, offering impeccable performance, technology innovations, safety features and much more! The smooth and immersive driving experience of the GMC Sierra 1500 is evidence of its reliable and high-performing powertrain complemented by top-notch exterior and interior design. Catering to the needs of Canadian pickup truck drivers, the Sierra AT4 trim delivers premium off-road capabilities. On the other hand, the AT4X trim is taking the off-road capabilities a notch up along with delivering superior comfort, technologies and towing capacity. Visit the Gus Brown Buick GMC dealership in Whitby to know the difference between GMC Sierra vs. AT4X to make an informed decision while out on 2022 Sierra 1500 shopping.

Head-Turning Design

Head-Turning Design

You get mud-terrain tires and a bold and athletic look of the Sierra 1500 in the AT4 trim, whereas the AT4X trim embraces redesigned front fascia and grille design. It also features signature vertical Red recovery hooks that complement its 18-inch high-gloss black finish wheels.

Talking about interior design, both AT4 and AT4 embrace intriguing craftsmanship to offer maximum comfort and luxurious aesthetics. You get distinctive trim and decor in Jet Black with Kalahari accent in the 2022 Sierra 1500 AT4. The perforated leather seating surfaces and smart storage space offer great comfort and convenience to both driver and passengers. With a unique obsidian rush interior and full grain leather-wrapped seating, the Sierra 1500 AT4X promises ultra-luxury aesthetics and comfort.


Off-Road Capabilities

AT4 and AT4X deliver exceptional off-road capabilities with efficient engine options.

Specifications 2022 GMC Sierra 1500 AT4 2022 GMC Sierra 1500 AT4X
Engine 3.0L Duramax Turbo-Diesel 6.2L V8
Horsepower 277 420
Torque (lb-ft) 460 460


  • 2-inch suspension lift
  • Off-road-tuned Rancho monotube shock absorbers
  • Automatic locking rear differential and skid plates
  • Two-speed AutoTrac transfer case
  • 10-speed automatic transmission


  • Front and rear e-locking differential
  • Off-road chassis and tuning
  • Multimatic DSSV spool-valve dampers
  • Three separate spool valves
  • Tuned springs to increase front and rear suspension travel

To buy new and pre-owned 2022 GMC Sierra 1500 AT4 and AT4X, visit Gus Brown Buick GMC, your one-stop car showroom with easy financing options. We also provide a wide range of certified services, including wheel alignment, wheel balance, lube oil & filter, brake inspection transmission service and much more!