2026 GMC Sierra 3500

This 2026 GMC Sierra 3500HD AT4 Crew Cab is equipped with a BDS Suspension 5'' lift kit paired with FOX 2.5 Elite Series remote-reservoir shocks at both ends and a four-wheel alignment, along with 24'' Fittipaldi forged full-gloss-black wheels, LT315/50R24 Toyo Open Country R/T Pro tires, and professionally installed window tint backed by a lifetime warranty. It carries the AT4 trim's more specialized hardware and presents a tall, purposeful stance without relying on cosmetic additions alone. This truck is built around heavy-duty capability and retains the Crew Cab's practical passenger space while adding the kind of chassis and wheel-and-tire combination that is often specified for a more personalized build. The exterior details are matched by the factory equipment expected on a truck in this class, and the overall presentation remains consistent with a properly equipped diesel or gas heavy-duty pickup rather than a stripped work truck.

This Sierra 3500HD AT4 includes Adaptive Cruise Control, Collision Warning, and Navigation, giving it a useful set of driver-assistance and route guidance features for daily travel or longer highway runs. Leather Seats bring a finished cabin feel that suits the trim level, while Premium Audio adds a higher-grade sound system for the interior. A Wi-Fi Hotspot is also included, allowing the truck to stay connected in the areas where service is available. These options are integrated with the vehicle's broader equipment rather than added as stand-alone items, so the cabin has the expected mix of comfort and technology without losing the straightforward character associated with a heavy-duty GMC.

This 2026 GMC Sierra 3500HD AT4 Crew Cab is built on a platform known for towing, hauling, and durability, and the 3500HD name reflects that role directly. The AT4 specification brings an off-road-oriented character from the factory, while the lifted suspension and larger wheel-and-tire package give it additional ground clearance and a more customized stance without changing the truck's underlying purpose. The FOX remote-reservoir shocks and BDS components are the sort of hardware chosen to support a more controlled ride over varied surfaces, and the alignment work is part of making that suspension package function as intended. The aftermarket wheel choice uses a forged construction, and the tire size moves to a wide LT-spec fitment that matches the truck's heavy-duty presence.

Inside, this 2026 GMC Sierra 3500HD AT4 Crew Cab keeps the focus on usable materials and equipment rather than unnecessary complexity. The leather-trimmed seating and available navigation system fit naturally in a truck positioned for long days on the road or at a work site, and the additional connectivity from the Wi-Fi Hotspot helps keep devices online when that matters. Collision Warning and Adaptive Cruise Control add a layer of driver support without changing the truck's core purpose, and the Premium Audio system provides a more refined cabin experience. The professionally tinted windows complete the exterior and cabin treatment in a simple, practical way, and the truck remains a heavy-duty GMC with the added equipment already in place.----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 & tire combi