The 2024 GMC Sierra 3500HD AT4 represents a premium heavy-duty truck engineered for those who demand capability and refinement in a work-ready platform. This White exterior showcases the AT4's commanding presence, paired with a robust 6.6L V8 engine and 10-speed automatic transmission delivering responsive power for towing and hauling tasks.

- Power-retractable assist steps with LED lighting
- AT4 Premium Plus Package
- Gooseneck/5th Wheel Prep Package with hitch platform
- 20" high-gloss black 8-spoke aluminum wheels
- Spray-on pickup bedliner with AT4 logo
- Power sunroof
- GMC Premium 13.4" diagonal information display
- Multicolor 15" diagonal head-up display
- HD Surround Vision with bed view camera and trailer camera provisions
- Bose premium 7-speaker sound system with SiriusXM 360L
- Heated and ventilated perforated leather front seats
- Wireless charging and wireless phone projection
- Hill descent control with 2-speed active transfer case
- Automatic emergency braking and lane departure warning
- Auto high-beam headlights with rain-sensing wipers

The truck's 4WD system combined with the off-road high-clearance step and comprehensive suspension design positions this Sierra 3500HD as equally suited for challenging terrain as it is for highway driving. The gooseneck and 5th wheel prep package provides the infrastructure for serious towing operations, while the integrated trailer brake controller and hitch guidance with hitch view simplify the process.

Inside the cabin, the AT4 Premium Plus Package delivers technology and comfort throughout. The GMC Premium infotainment system integrates seamlessly with Apple CarPlay and Android Auto, while dual-zone automatic climate control maintains comfort for all occupants. Heated and ventilated leather front seats paired with heated rear seats ensure comfort in any season. The wireless charging pad and multiple USB ports keep devices powered, and the panoramic sunroof floods the interior with natural light.

Safety technology runs throughout this Sierra 3500HD, featuring automatic emergency braking, forward pedestrian braking, rear cross traffic alert, and trailer side blind zone alert. The auto-dimming rearview mirror with camera function and surround vision cameras provide comprehensive visibility for maneuvering in tight spaces. Electronic stability control and all-wheel disc brakes give you confidence in diverse driving conditions.

The truck bed includes a spray-on bedliner with AT4 logo, 120-volt power outlets for convenience, and heavy-duty construction designed to handle years of demanding use. Deep-tinted glass, LED cargo area lighting, and smoked amber roof marker lamps round out the thoughtful exterior details that define the AT4 aesthetic.

This Sierra 3500HD AT4 is ready to handle whatever you put in front of it—whether that's a full workday or weekend adventures. We invite you to visit our showroom to experience its capability firsthand.