Pre-Owned 2026 GMC Sierra 3500 HD Crew Cab, Long Bed, AT4, 4WD For Sale Marshalltown, IA

This 2026 GMC Sierra 3500HD AT4 with its commanding Duramax 6.6L V8 Turbodiesel engine is engineered for serious capability and refined comfort in one impressive package.- Backup Camera- Cooled Seats- Head-Up Display- Heated Seats- Heated Steering Wheel- Leather Seats- Sunroof/Moonroof- Black Badging Package- Power Sunroof- Off-Road High Clearance Step- Gooseneck/5th Wheel Prep Package- Snow Plow Prep/Camper Package- 220-Amp Alternator- Engine Block Heater- Upfitter Switch Kit (5)The AT4 Premium Plus Package elevates this truck with premium features that prioritize both function and luxury. You'll find power-adjustable leather seats with heating and ventilation, a multicolor 15-inch head-up display for commanding visibility, and a power sunroof for open-air driving. The Technology Package keeps you connected with premium GMC infotainment, wireless phone projection, and a Bose premium sound system. Advanced safety features including lane departure warning, automatic emergency braking, and rear cross traffic alert provide confidence on every drive. The truck bed includes a spray-on bedliner with GMC logo, LED cargo lighting, and a power-sliding rear window with defogger.This truck is built for work and prepared for adventure. The Duramax engine delivers 470 horsepower and 975 lb-ft of torque, paired with a 10-speed automatic transmission and 4WD capability. The Snow Plow Prep/Camper Package, Gooseneck/5th Wheel Prep Package, and comprehensive upfitter switch kit give you the foundation for specialized applications. Off-road features include a 2-speed active transfer case, hill descent control, and an off-road suspension system designed for challenging terrain.This vehicle is certified and backed with confidence. The clean Carfax and one-owner history reflect meticulous maintenance and care. This low-mileage truck represents an exceptional opportunity to own a properly equipped Sierra 3500HD with professional-grade preparation and premium appointments already in place.The Sierra 3500HD AT4 delivers the durability and sophistication you expect from GMC. With its silver exterior, black badging package, and 20-inch high-gloss black aluminum wheels, this truck commands respect on any job site or highway. The heated mirrors, automatic high-beam headlights, and rain-sensing wipers speak to thoughtful engineering that simplifies your day. Interior appointments include memory seating, dual-zone automatic temperature control, and keyless entry with push-button start.Whether you're managing a fleet, towing equipment, or simply demand the finest in heavy-duty truck capability, this Sierra 3500HD AT4 is ready to exceed your expectations. Come see how this truck combines professional-grade engineering with luxury comfort.