Used 2024 Gmc Sierra HD AT4

The Sierra 2500HD AT4 combines off-road capability with heavy-duty performance and refined comfort. Trimmed in the bold AT4 style, it’s ready for both trailheads and work zones. Powertrain: Available 6.6 L Duramax Turbo-Diesel V8, paired with an Allison 10-speed automatic transmission. Produces 470 hp and up to 975 lb-ft of torque, a 25% torque increase over the previous model year. Off-road-tuned suspension with Rancho twin-tube shocks and robust skid plates. Traction Select System offering Off-Road and Tow/Haul modes and a 2-speed AutoTrac 4WD system. Rear electronic-locking differential to maintain traction on loose terrain. Exterior features include a redesigned AT4 grille and front fascia with signature LED projector headlamps, 20" gloss-black aluminum wheels, and available BFGoodrich off-road tires. Spray-on bedliner, available power-retractable assist steps, and the first-ever MultiPro six-function tailgate. Interior luxury and technology include a Jet Black interior with Kalahari-accent heated and ventilated leather seats, a large infotainment touchscreen, a digital driver display, and available Head-Up Display with off-road inclinometer. Premium amenities such as a power-adjustable heated leather steering wheel, wireless Apple CarPlay/Android Auto, and up to 14 camera views including transparent trailer view.

• Bumper Detail - Rear Step
• Exhaust Tip Color - Stainless Steel
• Pickup Bed Light - LED
• Pickup Bed Liner - Spray-On
• Skid Plate(S) - Rear
• Tailgate - Lift Assist
• Tailgate - Multi-Function Split-Folding
• Tailgate - Power Locking
• Tailgate - Power Open
• Tailgate - Removable
• Tailgate - Step
• Door Handle Color - Body-Color
• Fender Lip Moldings - Black
• Front Bumper Color - Body-Color
• Grille Color - Black
• Grille Color - Black Surround
• Hood Scoop
• Mirror Color - Black
• Rear Bumper Color - Body-Color

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