The 2020 GMC Sierra 2500HD AT4 is a rugged and capable heavy-duty pickup that's ready to take on any challenge. With its powerful Duramax 6.6L V8 Turbodiesel engine, advanced 4WD system, and a wealth of premium features, this Sierra AT4 is the perfect choice for those who demand the best. - SUNROOF, POWER - GOOSENECK / 5TH WHEEL PACKAGE - TECHNOLOGY PACKAGE - ENGINE BLOCK HEATER - ALTERNATOR, 220 AMPS - AT4 PREMIUM PACKAGE - DRIVER ALERT PACKAGE II - OFF-ROAD ASSIST STEPS, 3" ROUND TUBULAR, BLACK - 20" HIGH GLOSS BLACK PAINTED WHEELS - HIGH IDLE SWITCH The Sierra AT4 is packed with an impressive array of technology and convenience features, including a Bose premium sound system, navigation, wireless charging, and a 15-inch head-up display. Safety is also a top priority, with advanced driver assistance systems like Forward Collision Alert, Lane Departure Warning, and Automatic Emergency Braking. Whether you're hauling heavy loads, towing a trailer, or tackling rugged off-road terrain, the 2020 GMC Sierra 2500HD AT4 is up for the task. Its robust construction, premium materials, and exceptional attention to detail make this truck a true standout in the heavy-duty segment. Experience the power, capability, and refined luxury of the 2020 GMC Sierra 2500HD AT4 for yourself. Visit us at Leesburg Buick GMC today and let us show you why this truck is the perfect choice for your next adventure. At Leesburg Buick GMC, we're satisfaction-driven and proudly serve Leesburg, Ashburn, Sterling, Reston, and all of Northern Virginia. Visit us today and experience the difference.

Additional Information

AT4 Preferred Package,AT4 Premium 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,Power Sunroof,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,High Idle Switch,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Off-Road Assist Steps (LPO),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,Wheels: 20" 6-Spoke Bright Machined Aluminum,Wheels: 20" High Gloss Black Painted (LPO),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