2024 GMC Sierra HD AT4X + Extreme AEV Edition
gmc | off-road | overlanding | trucks
GMC bestows its Sierra HD pickup with a AT4X off-road trim. Built for extreme overlanding, it has a 1.5″ lift, Multimatic DSSV dampers, an e-locking rear diff, skid plates, and 35″ Goodyear Territory tires. The AT4X AEV Edition adds upgraded steel bumpers with recovery points, a front winch, 18″ Salta wheels and more.
Equipped with the 6.6-liter Duramax turbo-diesel engine, the Sierra HD AT4X will tow up to 18,500 pounds, so you can haul your heavy duty trailer wherever life's adventures take you. That impressive engine cranks out 470 horsepower and 975 lb-ft. of torque.
The Sierra HD AT4X also gets an off-road drive mode which adjusts braking, traction, and stability systems to enhance its ride when leaving the tarmac for rocky, rutted, muddy, and loose terrain.
