2021 GMC Sierra 2500HD AT4 Crew Cab 4WD

Discover the ultimate power and capability in the 2021 GMC Sierra 2500HD AT4. This rugged and advanced heavy-duty pickup is built to conquer any terrain, delivering exceptional performance and uncompromising comfort. Tailored to the adventurous driver, this Sierra 2500HD AT4 boasts an impressive array of features, including: - Duramax 6.6L V8 Turbodiesel engine with 445 hp and 910 lb-ft of torque - Power-retractable black assist steps with LED lighting - Gooseneck/5th Wheel Package with Bed View Camera - AT4 Premium Plus Package with Driver Alert Packages, 20" high gloss black wheels, and more - Bose premium 7-speaker sound system - Wireless charging and 120-volt power outlets The Sierra 2500HD AT4 is engineered to take on the toughest jobs and most challenging environments. Its robust 4WD system, off-road suspension, and advanced traction technologies ensure you can conquer any terrain with confidence. Whether you're hauling heavy loads, towing a large trailer, or exploring the great outdoors, this truck is up for the task. Inside, the Sierra 2500HD AT4 pampers you with premium amenities, including heated and ventilated front seats, a power sunroof, and a 15-inch head-up display. The intuitive infotainment system with navigation and wireless connectivity keeps you entertained and informed on every journey. Safety is also a top priority, with features like Automatic Emergency Braking, Lane Change Alert with Side Blind Zone Alert, and the innovative HD Surround Vision camera system. This truck is designed to protect you and your passengers, no matter the conditions. If you're in the market for a heavy-duty pickup that combines uncompromising capability with refined comfort and advanced technology, the 2021 GMC Sierra 2500HD AT4 is the perfect choice. Experience the power and versatility of this exceptional vehicle for yourself. Visit our showroom today and let us demonstrate how this truck can elevate your driving experience.

Additional Information

AT4 Preferred Package,AT4 Premium Plus 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 with 360L,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,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,AT4 High Clearance Step (LPO),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,Painted Black Surround Grille,Power door mirrors,Power-Retractable Black Assist Steps,Rear step bumper,Rear Wheelhouse Liners,Spray-On Pickup Box Bed Liner w/AT4 Logo,Turn signal indicator mirrors,Winter Grille Cover,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 Information Center,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera w/2 Trailer Camera Provisions,Compass,Compass Located In Instrument Cluster,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Prem Floor Liners w/Removable Carpet Insert,Front reading lights,GMC Connected Access Capable,HD Rear Vision Camera,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auto-Dimming Rear Camera Mirror,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 Cross Traffic Alert,Rear Prem Floor Liners w/Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,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,18" Machined Aluminum Wheels,20" Machined Aluminum Wheels,Alloy wheels,Wheels: 20" High Gloss Black Painted (LPO),Wheels: 20" Transit 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