2021 GMC Sierra 1500

Experience premium capability and rugged refinement with this **one-owner 2021 GMC Sierra 1500 AT4 4WD**. Designed for those who want luxury without sacrificing performance, this full-size pickup combines off-road readiness with upscale amenities and advanced technology. With **70,689 miles**, this Sierra AT4 stands out with its bold **gray exterior** and **luxurious leather interior**, making every drive both powerful and comfortable. Under the hood, youll find the impressive **3.0L I6 Duramax Turbo-Diesel engine**, delivering exceptional torque, smooth acceleration, and remarkable efficiency for a truck of its size. Paired with GMCs proven 4WD system, this Sierra is ready to tackle any road or trail with confidence. The **ProGrade Trailering Package** and **Towing/Camper Package** further equip you for serious hauling, while the **GMC MultiPro Tailgate** provides unmatched flexibility for loading, unloading, and working on the go. The AT4 trim envelops you in premium comfort and cutting-edge convenience. Enjoy key features such as **power windows**, **power door locks**, and a **power drivers seat** for personalized comfort. The **Bose premium stereo system** delivers a crisp, immersive audio experience complemented by **steering wheelmounted audio controls**, so you stay connected and entertained without distraction. Technology and safety are at the forefront of the Sierra AT4s design. A **Heads-Up Display** projects key information directly onto the windshie 3.0L I6 Turbo Diesel Engine, Aluminum/Alloy Wheels, Bose Premium Stereo, ENGINE, DURAMAX 3.0L TURBO-DIESEL I6, GMC MultiPro Tailgate, Heads-Up Display, Heated Exterior Mirrors, Power Adjustable Mirrors, Power Door Locks, Power Driver's Seat, Power Sunroof, Power Windows, ProGrade Trailering Pkg., Rear Parking Sensors, Steering Wheel Mounted AudioControls, Towing/Camper Pkg, Univ Garage Door Opener, Four wheel drive,Skid plates,Door handles, body-color,Audio system feature, 6-speaker system,Steering wheel, leather-wrapped,Remote vehicle starter system,Exhaust, aluminized stainless-steel muffler and tailpipe,Floor covering, color-keyed carpeting,Frame, fully-boxed, hydroformed front section,Steering wheel, heated,Steering wheel audio controls,Hill descent control,Trailer brake controller, integrated,Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door,StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist,Glass, deep-tinted,Rear axle, 3.23 ratio,Steering, Electric Power Steering (EPS) assist, rack-and-pinion,CornerStep, rear bumper,Wheelhouse liners, rear,Theft-deterrent system, unauthorized entry,Air conditioning, dual-zone automatic climate control,Steering column, manual Tilt-Wheel and telescoping,Tailgate and bed rail protection caps, top,Bumper, rear body-color with corner steps,Air vents, rear,Capless Fuel Fill,Rear seat reminder,Airbags, dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger a,Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance,Cargo tie downs (12), fixed, rated at 500 lbs per corner,Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors,Wheel, 17' x 8' (43.2 cm x 20.3 cm) full-size, steel spare,Fog lamps, LED,Taillamps, LED signature taillight with LED stop and reverse light,Tailgate, GMC MultiPro Tailgate with six functional load/access features,Seat adjuster, driver 10-way power including lumbar,Seat adjuster, passenger 10-way power including lumbar,Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure,Driver Information Center, 4.2' diagonal color displa