2020 GMC Sierra 2500HD AT4 Crew Cab 4WD

The 2020 GMC Sierra 2500HD AT4 is a powerful and refined heavy-duty pickup designed to handle demanding work while delivering premium comfort. Equipped with the renowned Duramax 6.6L turbo-diesel engine, this truck offers exceptional towing capability, impressive torque, and long-lasting reliabilitymaking it ideal for both job sites and long hauls. This AT4 trim stands out with its off-road-ready design, featuring a factory lift, skid plates, and a rugged suspension system that allows it to confidently tackle rough terrain. The bold exterior styling is complemented by signature AT4 accents, giving it a commanding presence on and off the road. Inside, the Sierra 2500HD AT4 blends durability with upscale features. The cabin offers premium materials, comfortable seating, and modern technology, including an intuitive infotainment system, advanced driver-assist features, and connectivity options to keep you in control and entertained wherever you go. This particular truck has had two previous owners and comes with 18 service records reported to Carfax, reflecting consistent maintenance and care over its lifetime. With a strong service history and proven performance, this Sierra 2500HD AT4 is a dependable and capable truck ready for its next owner. Whether you need serious towing power, off-road capability, or everyday comfort, this Duramax-powered Sierra delivers on all fronts.

Additional Information

Door Handle Color - Body-Color, Fender Lip Moldings - Black, Front Bumper Color - Body-Color, Grille Color - Black, Mirror Color - Black, Rear Bumper Color - Body-Color, Skid Plate(S) - Front, Window Trim - Black, Skid Plate(S) - Rear, Pickup Bed Light - Led, Pickup Bed Liner - Spray-On, Tailgate - Power Locking, Tailgate - Removable, Bumper Detail - Rear Step, Tailgate - Lift Assist, Tailgate - Step, Tailgate - Multi-Function Split-Folding, Exhaust Tip Color - Stainless Steel, Air Filtration, Center Console Trim - Leather, Door Trim - Leather, Floor Material - Carpet, Floor Mats - Front, Front Air Conditioning - Automatic Climate Control, Front Air Conditioning Zones - Dual, Heated Steering Wheel, Steering Wheel Trim - Leather, Interior Accents - Metallic-Tone, Floor Mats - Rear, Armrests - Rear Folding, Floor Mat Material - Rubber/Vinyl, Rear Vents - Second Row, Armrests - Rear Center With Cupholders, Assist Handle - Front, Assist Handle - Rear, Capless Fuel Filler System, Center Console - Front Console With Armrest And Storage, Cruise Control, Cupholders - Front, Cupholders - Rear, Easy Entry - Power Driver Seat, Multi-Function Remote - Proximity Entry System, Remote Engine Start, Steering Wheel - Tilt And Telescopic, Steering Wheel Mounted Controls - Audio, Steering Wheel Mounted Controls - Phone, Storage - Door Pockets, Storage - Front Seatback, Storage - Under Rear Seats, Power Outlet(S) - 115v Cargo Area, Power Outlet(S) - 115v Front, Power Outlet(S) - 12v Front, Power Outlet(S) - 12v Rear, Power Steering - Variable/Speed-Proportional, Vanity Mirrors - Dual Illuminating, Multi-Function Remote - Panic Alarm, Overhead Console - Front, Steering Wheel Mounted Controls - Cruise Control, Push-Button Start, Reading Lights - Front, Reading Lights - Rear, Memorized Settings - 2 Driver, Memorized Settings - Driver Seat, Memorized Settings - Side Mirrors, Steering Wheel Mounted Controls - Multi-Function, One-Touch Windows - 4, Power Windows - Lockout Button, Steering Wheel Mounted Controls - Voice Control, Rearview Mirror - Auto-Dimming, Abs - 4-Wheel, Axle Ratio - 3.73, Braking Assist, Electronic Brakeforce Distribution, Electronic Parking Brake - Auto Off, Front Brake Diameter - 14.0, Front Spring Type - Torsion Bars, Front Stabilizer Bar - Diameter 35 Mm, Front Suspension Classification - Independent, Locking Differential - Rear, Power Brakes, Rear Brake Diameter - 14.2, Rear Suspension Classification - Solid Live Axle, Rear Suspension Type - Multi-Leaf, Roll Stability Control, Stability Control, Tow Hooks - Front, Tow/Haul Mode, Traction Control, Trailer Brake Controller, Trailer Hitch, Trailer Wiring - 4-Pin, Trailer Wiring - 7-Pin, Rear Brake Width - 1.34, Hill Holder Control, Auxiliary Transmission Fluid Cooler, Front Shock Type - Twin-Tube Gas, Rear Shock Type - Twin-Tube Gas, Rear Spring Type - Leaf, Tuned Suspension - Off-Road, Front Suspension Type - Short And Long Arm, 4wd Type - Part Time W/ On Demand Setting, Front Brake Width - 1.57, Front Brake Type - Ventilated Disc, Rear Brake Type - Ventilated Disc, 4wd Selector - Electronic Hi-Lo, Trailer Stability Control, Off-Road Driving Assist - Hill Descent, Pickup Bed Cargo Management - Tie-Down Anchors, Alternator - 170 Amps, Battery - Heavy Duty, Battery - Maintenance-Free, Battery Saver, Battery Rating - 720 Cca, Auxiliary Oil Cooler, Antenna Type - Diversity, Antenna Type - Mast, Auxiliary Audio Input - Ipod/Iphone, Auxiliary Audio Input - Jack, Auxiliary Audio Input - Memory Card Slot, Auxiliary Audio Input - Usb, Clock, Compass, Digital Odometer, External Temperature Display, Fuel Economy Display - Mpg, Fuel Economy Display - Range, Multi-Function Display, Radio - Am/Fm, Radio - Hd Radio, Radio - Touch Screen Display, Radio Data System, Satellite Communications - Onstar, Satellite Radio - Siriusxm, Speed Sensitive Volume Control, Trip Odometer, Warnings And Reminders - Low Battery, Warnings And Reminders - Low Fuel Level, Electronic Messaging Assistance - With Read