Heated/Cooled Leather Seats, Sunroof, NAV, Heated Rear Seat, 4x4, Alloy Wheels, Bed Liner, Tow Hitch, AT4 PREFERRED PACKAGE, TRANSMISSION, 10-SPEED AUTOMATIC WITH... ENGINE, DURAMAX 3.0L TURBO-DIESEL I6, ENGINE, 6.2L ECOTEC3 V8 KEY FEATURES INCLUDELeather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Back-Up Camera, Premium Sound System, Satellite Radio, Onboard Communications System, Trailer Hitch Keyless Entry, Privacy Glass, Steering Wheel Controls, Alarm. GMC AT4 with Onyx Black exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*. OPTION PACKAGESENGINE, 6.2L ECOTEC3 V8 (420 hp 313 kW @ 5600 rpm, 460 lb-ft of torque 624 Nm @ 4100 rpm); featuring Dynamic Fuel Management, SUNROOF, POWER, AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window 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), ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp 227 kW @ 3750 rpm, 495 lb-ft of torque 671 Nm @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater.) (STD), TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking. EXCELLENT VALUEThis Sierra 1500 is priced $5,000 below J.D. Power Retail. Pricing analysis performed on 5/23/2026. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.