This 2020 GMC Sierra 2500HD AT4 in striking Red Quartz Tintcoat represents the ultimate combination of capability and refinement for those who demand serious truck performance. - Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque - 10-Speed Automatic transmission with 4WD and 2-Speed Active Transfer Case - Gooseneck/5th Wheel Package with integrated camera systems for towing confidence - Technology Package featuring HD Surround Vision with trailer view provisions and 15" Multicolor Head-Up Display - Driver Alert Package II with Forward Collision Alert, Lane Departure Warning, and Automatic Emergency Braking - AT4 Preferred Package including Premium GMC Infotainment with navigation and Bose Premium Audio - Bed View Camera, Rear Camera Mirror, and Ultrasonic Front & Rear Park Assist - Heated and ventilated front bucket seats with 10-way power adjustment and lumbar support - Power sliding rear window with defogger and 120-volt bed-mounted power outlet - Spray-on pickup box bed liner with AT4 logo and red recovery hooks - Wireless charging and 4G LTE Wi-Fi hotspot capability - IntelliBeam automatic high beam headlights and LED cargo area lighting - Integrated Trailer Brake Controller with in-vehicle trailering system app - All-weather floor liners protecting the interior - Keyless open and start with remote vehicle starter system Built on the legendary capability of the Sierra 2500HD platform, this AT4 combines the authority of its turbodiesel engine with thoughtful truck engineering. The integrated towing technologies, including the gooseneck prep package and multiple camera systems, transform complex hauling operations into manageable tasks. Whether you're managing heavy loads or navigating challenging terrain, the available all-terrain features and sophisticated suspension geometry deliver the stability and control you need. The interior reflects GMC's commitment to driver-focused design. Premium materials, heated and cooled seating, and intuitive technology placement create an environment where long hours behind the wheel feel purposeful rather than taxing. The Premium Infotainment system with navigation keeps you oriented, while the Bose audio system ensures your time on the road remains engaging and clear. Safety technology is woven throughout this truck's design. The suite of driver assistance featuresfrom collision alert systems to lane departure warningsworks quietly in the background, providing an extra layer of awareness without distraction. The Safety Alert Seat provides tactile feedback when attention is needed, a distinctly practical approach to keeping you focused on the road ahead. The AT4 package signals serious intent. This isn't a truck dressed up for show; it's equipped for work that demands both power and precision. The spray-on bed liner with AT4 badging, red recovery hooks, and the X31 Off-Road Package components all speak to a vehicle designed for owners who actually use their trucks. With just over 31,000 miles, this Sierra 2500HD AT4 remains well within its operational prime. All systems have been properly maintained and are ready for the next chapter of demanding work or adventure that awaits. We invite you to experience this truck firsthand. The combination of turbodiesel performance, towing sophistication, and genuine truck utility is best understood from behind the wheel. Contact us today to arrange a time that works for your schedule.

Additional Information

AT4 Preferred Package,Driver Alert Package I,Driver Alert Package II,Gooseneck/5th Wheel Package,Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SB,Technology Package,X31 Off-Road Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM,Bose Premium 7 Speaker Sound System,HD Radio,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM w/Premium GMC Infotainment System,Radio: Premium GMC Infotainment Sys w/Navigation,SiriusXM w/360L,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,12-Volt Rear Auxiliary Power Outlet,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Power Windows w/Driver Express Up/Down,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Electrical Lock Control Steering Column,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Door Locks,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Delay-off headlights,Front fog lights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220 Amps Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Painted Black Surround Grille,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Red Recovery Hooks,Spray-On Pickup Box Bed Liner w/AT4 Logo,Turn signal indicator mirrors,Winter Grille Cover,1st & 2nd Rows All-Weather Floor Liners (LPO),2 USB Ports,2 USB Ports (1st Row),2nd Row Dual USB Charge-Only Ports,4.2" Diagonal Color Display Driver Info Center,4G LTE Wi-Fi Hotspot Capable,8" Multicolor Driver Instrument Info Display,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera,Compass,Compass Located In Instrument Cluster,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front reading lights,GMC Connected Access Capable,HD Rear Vision Camera,HD Surround Vision w/2 Trailer View Camera Provisions,Heated steering wheel,Illuminated entry,Lane Change Alert w/Side Blind Zone Alert,Multicolor 15" Diagonal Head-Up Display,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Camera Mirror,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,10-Way Power Driver Seat Adjuster w/Lumbar,10-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,Heated & Ventilated Front Bucket Seats,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated front seats,Passenger door bin,Hitch Guidance w/Hitch View,In-Vehicle Trailering System App,Integrated Trailer Brake Controller,Alloy wheels,Wheels: 18" 6-Spoke Machined Aluminum,Deep-Tinted Glass,Power Front Passenger Windows w/Express Up/Down,Power Rear Windows w/Express Down,Power Sliding Rear Window w/Defogger,Variably intermittent wipers