Sierra 3500

Spider

AWD4WD

8-Cylinder Turbo

Diesel

This 2025 GMC Sierra 3500HD AT4 Crew Cab is finished with a McGaughy's 4 lift kit, Fittipaldi 22 wheels in full gloss black, and Toyo Open Country R/T Trail tires in 37x12.50R22 sizing, along with color-matched exterior details and professionally installed window tint that carries a lifetime warranty, plus tinted windows. This heavy-duty GMC pairs those additions with the AT4 trim's off-road-oriented hardware and the crew cab body, while keeping the presentation consistent with a truck built to handle both long-distance driving and demanding work. This example also includes Adaptive Cruise Control, Leather Seats, Wi-Fi Hotspot, Premium Audio, Collision Warning, Navigation, the Technology Package, and the AT4 Preferred Package, giving it a broad set of convenience and driver-assistance features without changing its core purpose. This Sierra 3500HD AT4 is centered on capability, and its diesel-duty stance is reinforced by the suspension lift and larger tire package. The 4 lift supplies additional ride height and a more pronounced profile, while the wheel-and-tire combination fills the arches with a setup that remains aligned with the truck's heavy-duty character. The black finish on the 22 wheels complements the body's color-matched exterior treatment, and the tinted glass gives the cabin a more enclosed appearance while helping maintain a uniform look from side to side. The result is a truck that keeps its factory identity intact but carries visible modifications that were chosen to work with the original lines rather than overpower them. Inside, the Crew Cab format provides the kind of space that suits a full-size heavy-duty truck used for commuting, towing, or carrying passengers on longer drives. Leather seating gives the cabin a more finished feel than a basic work-truck interior, and the AT4 Preferred Package adds to the equipment level already expected in this trim. The Technology Package contributes the added convenience and functionality associated with a modern HD pickup, while Navigation and the Wi-Fi Hotspot support route guidance and in-vehicle connectivity. Premium Audio is also present, rounding out the interior equipment with a stronger focus on comfort and everyday usability than many bare-bones diesel trucks offer. On the road, this 2025 GMC Sierra 3500HD AT4 Crew Cab combines its heavy-duty chassis with driver-assistance features that are useful during long interstate drives or repeated stop-and-go traffic. Adaptive Cruise Control and Collision Warning are included, giving the truck a more advanced set of electronic aids than a basic HD model. The added lift and tire package give it a more elevated road presence, but the vehicle remains grounded in practical details, from the professionally applied tint to the carefully matched exterior finish. With its combination of trim-specific equipment, added suspension height, upgraded wheels and tires, and the listed comfort and technology items, this Sierra presents as a well-equipped 3500HD with modifications and options that are easy to identify and straightforward to evaluate.----We've built an unmatched reputation over the last two decades for customizing and selling thousands of the highest quality used vehicles in the country. Our inventory is nationally sourced by our certified buyers who cherry pick only the best of the best of what is available. These vehicles then go through an 82 point inspection process to guarantee quality and safety. Our lift kits are installed by our own factory-trained technicians, who have thousands of hours of experience. The installation is then inspected by a second dedicated quality control technician, before being sent to our state of the art Hunter Engineering laser alignment rack. Our aftermarket research and development team always matches the best fitting lift kit, shocks, and wheel &amp; tire combinations to each individual vehicle for optimal off-road performance, while maintaining an incredibl&gt;

Used 2025 GMC Sierra 3500 AT4 w/ Technology Package

Used 2025 GMC Sierra 3500 AT4 w/ Technology Package Phoenix AZ 85022

Lifted Trucks

Technology Package

Gooseneck/5TH Wheel Prep Package

AT4 Preferred Package

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 for sale near you in Phoenix, AZ. Get more information and car pricing for this vehicle on Autotrader.

Used 2025 GMC Sierra 3500 AT4 w/ Technology Package for sale in Phoenix, AZ 85022: Truck Details - 793776615 - Autotrader

Listing Price	$84,205
Doc Fee	+ $489
Drive Pure	+ $296
Total Price	$84,990
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Used 2025 GMC Sierra 3500 AT4 AWD/4WD

w/ Technology Package

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