The brand new AT4X variant of GMC’s 2024 Sierra HD pickup collection formally joins the steady this week, giving pickup truck box-checkers one more off-road trim to chase. Properly, two trims, technically, as GMC took the chance to announce that the AT4X may even be supplied with an upfit bundle from American Expedition Automobiles, appropriately named the Excessive AEV Version that takes its cues from the identical bundle supplied on the Sierra 1500 AT4X. And with its introduction, the 2024 GMC Sierra HD lineup is now full.
GMC’s Sierra AT4X fashions mirror the ZR2 packages supplied on the up to date Chevrolet Silverado. For those who paid any consideration in any respect to the Silverado HD ZR2’s introduction earlier this month, you may be aware of the system. Key upgrades embody a 1.5-inch manufacturing facility elevate, normal digital locking rear differential, Multimatic DSSV shocks and 35-inch Goodyear Territory all-terrain tires. It additionally will get beefier skid plates — each the metal defending the switch case and the aluminum piece up entrance. With the up to date 6.6-liter Duramax diesel, GMC says it will tow as much as 18,500 kilos.
“GMC’s AT4X trim, which shall be obtainable throughout the whole GMC truck lineup, provides prospects extra premium and succesful selections in relation to ‘do-it-all’ capabilities,” mentioned GMC VP Duncan Aldred. “Every mannequin delivers distinctive strengths, with the all-new Sierra HD AT4X taking it to the max, enabling you to go just about wherever, with the towing energy to deliver your leisure toys, gear or camper alongside for the journey.”
And by “do all of it,” he means all the posh stuff too, judging by the Obsidian Rush inside, which GMC says consists of massaging leather-based entrance seats and actual ash wooden trim. The higher from which to really feel the shove of the AT4’s two obtainable 6.6-liter engines, one a gasoline-burner rated at 401 horsepower and 464 pound-feet of torque, the opposite a Duramax turbodiesel making 470 horsepower and 975 pound-feet of torque. You will want the latter if you wish to hit GMC’s marketed towing capability.
And do not forget the Excessive AEV Version, which can absolutely include a Denali-rivaling (and nonetheless TBA) price ticket. The stamped metal bumpers stand out immediately, as do the built-in entrance restoration factors and winch mount. The bundle additionally provides extra skid plates defending the steering gear and switch case. Its 18-inch “Salta” wheels are additionally distinctive.
GMC says it is going to be cranking out 2024 Sierra HD AT4Xs and Excessive AEV Editions by the third quarter. Search for pricing a bit nearer to launch.