CARFAX 1-Owner. AT4 trim, Cayenne Red Tintcoat exterior and Jet Black with Kalahari Accents interior. KEY FEATURES INCLUDE Leather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat. GMC AT4 with Cayenne Red Tintcoat exterior and Jet Black with Kalahari Accents interior features a 8 Cylinder Engine with 401 HP at 5200 RPM*. OPTION PACKAGES ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE [445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm] [Includes [K05] engine block heater.], AT4 PREFERRED PACKAGE includes [UVN] Bed View Camera, [UVS] HD Surround Vision with Two Trailer View Camera Provisions, [UG1] Universal Home Remote, [A48] rear sliding power window, [IOT] 8 diagonal Premium GMC Infotainment with navigation, [UQA] Bose Premium Audio System, [U01] Roof Marker Lamps and [K4C] Wireless Charging, ASSIST STEPS, POWER-RETRACTABLE, BLACK includes LED lighting, Black, SUNROOF, POWER, DRIVER ALERT PACKAGE I includes [UD5] Front and Rear Park Assist, [UKC] Lane Change Alert with Side Blind Zone Alert and [UFG] Rear Cross Traffic Alert [Vehicles built prior to 12-20-2021 include Front and Rear Park Assist. Certain vehicles built on or after 12-20-2021, will be forced to include [00Z] Not Equipped with Front and Rear Park Assist, which removes Front and Rear Park Assist. See dealer for details or the window label for the features on a specific vehicle. Includes Perimeter Lighting. WHEELS, 20 [50.8 CM] MACHINED ALUMINUM with high gloss Black accents, DRIVER ALERT PACKAGE II includes [UEU] Forward Collision Alert, [UFL] Lane Departure Warning, [UHY] Automatic Emergency Braking, [TQ5] IntelliBeam and [UE4] Following Distance Indicator Includes [HS1] Safety Alert Seat. GOOSENECK / 5TH WHEEL PACKAGE: includes [Z6A] Gooseneck / 5th Wheel Prep Package. [Includes [UVN] Bed View Camera. AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8 DIAGONAL COLOR TOUCH-SCREEN includes multi-touch display, AM/FM stereo, Bluetoothà streaming audio for music and most phones featuring wireless Android Autoà and Apple CarPlayà capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory. Includes [PZ8] Hitch Guidance with hitch view.], TRANSMISSION, ALLISON 10-SPEED AUTOMATIC. A GREAT TIME TO BUY Reduced from $64,998. This Sierra 2500HD is priced $900 below Kelley Blue Book. BUY WITH CONFIDENCE CARFAX 1-Owner BUY FROM AN AWARD WINNING DEALER Every Niello pre-owned vehicle is inspected by our factory-trained technicians. Plus, our customers have a 7-day / 700-mile return policy so you can purchase with confidence. For full benefits of Niello Pre-Owned Select, visit https: /landrover.niello.com/niello-pre-owned-select.htm Pricing analysis performed on 8/14/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.