2022 GMC Sierra 3500HD AT4

The 2022 GMC Sierra 3500HD AT4 is a heavy-duty, full-size pickup engineered for demanding tasks and advanced comfort. Outfitted with a 6.6L Duramax V8 turbodiesel engine, a 10-speed automatic transmission, and 4WD, it’s designed for strength and refinement. The Crew Cab layout maximizes space while premium interior features, advanced trailering tech, and a suite of safety systems make this model a versatile workhorse and a high-value daily driver.

This truck best suits buyers who require both serious towing capability and premium amenities. It addresses the needs of those hauling equipment, trailers, or recreational gear, while also offering conveniences like heated and ventilated leather seats, navigation, and a moonroof. The AT4 trim combines off-road readiness with a refined cabin, making it ideal for professionals who need ruggedness without sacrificing comfort or technology.

The Sierra 3500HD AT4’s 6.6L Duramax V8 turbodiesel engine delivers robust torque for towing and hauling, paired with a responsive 10-speed automatic transmission. This drivetrain provides smooth shifts under load and confident acceleration, even when fully loaded. Its 4WD system and two-speed active transfer case add traction on rough terrain, while features like hill descent control ensure controlled performance off-road and stable handling in daily driving.

Safety is prioritized through a suite of active technologies that assist in real-world scenarios. Lane Departure Warning and Lane Change Alert with Side Blind Zone Alert help prevent unintentional lane drift and monitor blind spots during lane changes. Automatic Emergency Braking and Forward Collision Alert can intervene if a frontal impact is imminent, while the 360-degree and HD rear vision cameras give comprehensive views for parking and maneuvering.

The AT4 Preferred and Premium Plus Packages equip the Sierra with a heated steering wheel, cooled and heated front seats, dual-zone climate control, navigation, and a Bose Premium sound system, enhancing comfort and entertainment. Trailering is made easier with an in-vehicle trailering app, integrated trailer brake controller, MultiPro tailgate, and multiple camera views, including bed and trailer monitoring for safer, easier towing.

Against competitors like the Ford F-350 Super Duty and Ram 3500, the Sierra 3500HD AT4 distinguishes itself with its advanced towing technology and upscale standard amenities. While rivals offer similar diesel power and capability, the Sierra’s combination of luxury features, off-road enhancements, and cutting-edge trailering support provides a unique advantage for buyers seeking both work-ready performance and daily comfort.

Key features include a 6.6L Duramax diesel, 10-speed automatic, 4WD, heated/ventilated leather seats, navigation, and a 360-degree camera system. In daily driving, the Sierra 3500HD balances power and ride comfort, aided by modern driver aids and active safety tech. Standard safety equipment includes blind spot alerts, lane departure warning, and automatic emergency braking. Before test driving, consider the truck’s dimensions, towing needs, and technology preferences to ensure it fits your requirements.

To experience the 2022 Sierra 3500HD AT4 and explore its capabilities in detail, contact Lynch Ford Chevrolet at 319-895-8500 or visit 410 Business 30 Sw Mt Vernon, IA 52314. Their team can guide you through features, towing options, and provide a hands-on demonstration to support confident, informed decision-making.