<b>Vehicle Details</b><br>Take on tough jobs and weekend adventures with confidence in this 2021 GMC Sierra 2500 AT4, a powerful Certified Pre-Owned pickup located in Chattanooga, TN. Built for drivers who demand capability, comfort, and advanced technology, this heavy-duty truck stands out with its rugged 4WD system and legendary V8 6.6L Diesel engine. Whether you are hauling equipment, towing a trailer, or heading off the beaten path, the GMC Sierra 2500 AT4 delivers the strength and control you need. Inside, the cabin is designed to keep every drive comfortable and connected. Enjoy premium Leather Seats, a Heated Steering Wheel, and intuitive Navigation that helps you stay on course with ease. Advanced Lane Departure Warning adds extra peace of mind on busy highways and long-distance trips, while the AT4 trim brings bold styling and off-road attitude to every mile. This pre-owned GMC Sierra 2500 combines serious muscle with upscale features, making it an excellent choice for work, travel, and everyday driving. As a Certified Pre-Owned vehicle, it offers added confidence and value for your next truck purchase. If you are searching for a dependable GMC Sierra 2500 AT4 in Chattanooga TN, this diesel-powered 4WD truck deserves a close look. Come see why this 2021 GMC Sierra 2500 AT4 is ready to exceed expectations and get the job done right.<br><br><b>Equipment</b><br>You'll never again be lost in a crowded city or a country region with the navigation system on this GMC Sierra. Start this model from inside with remote start. Keep your hands warm all winter with a heated steering wheel in this vehicle . This unit features a hands-free Bluetooth phone system. The GMC Sierra comes equipped with Android Auto for seamless smartphone integration on the road. This 2021 GMC Sierra 2500 warns of approaching vehicles with Cross-Traffic Alert. It has gone through a stringent manufacturer pre-owned certification process, including a meticulous mechanical and reconditioning processes. Take the stress out of car buying with this certified pre-owned. The GMC Sierra's Lane Departure Warning helps keep you in your lane. The leather seats in this unit are a must for buyers looking for comfort, durability, and style. See what's behind you with the back up camera on this vehicle. Apple CarPlay: Seamless smartphone integration for the GMC Sierra - stay connected and entertained on the go!<br><br><b>Packages</b><br>AT4 Premium Plus Package: Power Sunroof; 20" Machined Aluminum Wheels. Driver Alert Package I: Ultrasonic Front and Rear Park Assist; Rear Cross Traffic Alert; Lane Change Alert with Side Blind Zone Alert; Perimeter Lighting. Driver Alert Package II: Forward Collision Alert; Following Distance Indicator; Automatic Emergency Braking; Safety Alert Seat; IntelliBeam Automatic High Beam On/off; Lane Departure Warning. Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Electric Rear-Window Defogger; Wireless Phone Projection; Floor-Mounted Center Console; Unauthorized Entry Theft-Deterrent System; Painted Black Surround Grille; Compass Located in Instrument Cluster; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seats; X31 Off-Road Package; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; Rear Premium Floor Liners with Removable Carpet Insert; OnStar and GMC Connected Services Capable; 120-Volt Bed Mounted Power Outlet; Heated 2nd Row Outboard Seats; Power Front Passenger Windows with Express Up/down; 2-Speed Active Transfer Case; Deep-Tinted Glass; Spray-On Pickup Box Bed Liner with AT4 Logo; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Windows with Driver Express Up/down; Heated and Ventilated Front Bucket Seats; Manual Tilt-Wheel/telescoping Steering Column; 2nd Row Dual USB Charge-Only Ports; Keyless Open and Start; ProGrade Trailering System; Rear Wheelhouse Liners; 12-Volt Rear Auxiliary Power Outlet; 2 USB Ports; Power Door Locks. Technology Package: 8" Multicolor Driver Information Center; Multicolor 15" Diagonal Head-Up Display; Inside Rearview Auo-Dimming Rear Camera Mirror. Gooseneck/5th Wheel Package: Gooseneck/5th Wheel Prep Package; Bed View Camera with Two Trailer Camera Provisions. AT4 Preferred Package: HD Surround Vision; Bose Premium 7 Speaker Sound System; Power Sliding Rear Window with Defogger; LED Smoked Amber Roof Marker Lamps; Wireless Charging; Bed View Camera with Two Trailer Camera Provisions; Universal Home Remote; Premium GMC Infotainment System Radio with Navigation. Power-Retractable Black Assist Steps. Power Sunroof. 20" Machined Aluminum Wheels. Bed View Camera with Two Trailer