2021 GMC Sierra 2500HD AT4 Crew Cab 4WD

The 2021 GMC Sierra 2500HD AT4 stands out as a capable and versatile pickup truck designed to handle demanding tasks with ease. Featuring a powerful 6.6-liter turbocharged diesel engine delivering 445 horsepower and 910 lb-ft of torque, this truck offers impressive towing capacity and rugged performance. Its Summit White exterior gives it a clean, professional look, complemented by a refined Jet Black interior with Kalahari accents. Equipped with a 10-speed automatic transmission and 4WD, this used Sierra 2500HD is built for off-road adventures and heavy-duty work alike. Modern technology and comfort amenities such as Apple CarPlay, Bluetooth, a premium audio system, heated and rear heated seats, keyless entry, memory seats, push start, satellite radio readiness, and a WiFi hotspot make every drive more convenient and enjoyable. Whether hauling gear or navigating city streets, this truck combines utility with comfort, making it a valuable addition to any work or leisure fleet. This GMC Sierra 2500HD AT4 also packs a suite of safety and security features to keep you protected on every journey. It includes a rear seat reminder to alert drivers to check rear passengers, alongside essential safety systems like 4-wheel ABS, anti-lockout power door locks, and auto-locking door locks for added peace of mind. The programmable safety key enhances security, while off-road driving assist with hill descent control ensures stability on rough terrain. An electronic parking brake with auto-off functionality further supports safe parking and stopping, making this truck as safe as it is powerful. 2021 GMC Sierra 2500HD Safety and Security Features The safety features of this Sierra 2500HD include a rear seat reminder to prevent accidental omissions, 4-wheel ABS to improve braking control, and anti-lockout power door locks that allow easy access while preventing lock-ins. Auto-locking door locks provide added security, while the programmable safety key enables user-specific security settings. Off-road driving assist with hill descent control helps maintain stability on challenging terrains, and the electronic parking brake with auto-off ensures secure parking and convenience during stops. 2021 GMC Sierra 2500HD Entertainment and Technology Features On the tech front, this truck offers compatibility with myGMC connected access apps, allowing smart device integration for remote control and vehicle management. Voice-operated hands-free calling and radio ensure seamless communication and entertainment on the go. The HD touch screen infotainment system features an 8-inch display with a touch interface, providing easy access to radio, apps, and settings. Equipped with six speakers, it delivers clear sound, while in-car app marketplace integration expands connectivity options. Electronic messaging assistance, both reading and voice-operated, helps keep drivers connected without distraction, making every ride more engaging and connected. 2021 GMC Sierra 2500HD Performance Features Performance-wise, this Sierra 2500HD AT4 offers an electronic high-low 4WD selector for versatile traction control. Its part-time 4WD system with on-demand setting allows quick switching between drive modes, complemented by a rear locking differential for enhanced off-road grip. The tuned off-road suspension ensures stability and comfort on rugged trails, confirming this trucks capability to handle demanding work and adventurous driving alike.

Additional Information

Preferred Equipment Group 4SB,X31 Off-Road Package,6 Speakers,6-Speaker Audio System Feature,AM/FM radio: SiriusXM with 360L,HD Radio,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM w/Premium GMC Infotainment System,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,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,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,Auto-dimming door mirrors,Black Sport Step (LPO),Bumpers: body-color,Front License Plate Kit,Heated door mirrors,LED Cargo Area Lighting,Painted Black Surround Grille,Power door mirrors,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,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Compass,Compass Located In Instrument Cluster,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Front Prem Floor Liners w/Removable Carpet Insert,Front reading lights,GMC Connected Access Capable,HD Rear Vision Camera,Heated steering wheel,Illuminated entry,OnStar & GMC Connected Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Prem Floor Liners w/Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trip computer,Voltmeter,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,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,Alloy wheels,Deep-Tinted Glass,Power Front Passenger Windows w/Express Up/Down,Power Rear Windows w/Express Down,Variably intermittent wipers