Superb Condition. AT4 trim. Heated/Cooled Leather Seats, Moonroof, Navigation, Heated Rear Seat, 4x4, Aluminum Wheels, Bed Liner, Trailer Hitch, LPO, SPORT STEP, BLACK, AT4 PREFERRED PACKAGE, TRANSMISSION, ALLISON 10-SPEED AUTOMA... KEY FEATURES INCLUDELeather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat GMC AT4 with Thunderstorm Gray exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 470 HP at 2800 RPM*. OPTION PACKAGESENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp 350.5 kW @ 2800 rpm, 975 lb-ft of torque 1322 Nm @ 1600 rpm) (Includes (K05) engine block heater.), TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display, SUNROOF, POWER, LPO, SPORT STEP, BLACK (dealer-installed), AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window, (U01) Roof Marker Lamps and (KSG) adaptive Cruise Control, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones (STD), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC. A GREAT TIME TO BUYSuperb Condition This Sierra 2500HD is priced $1,300 below J.D. Power Retail. Pricing analysis performed on 6/5/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.