KEY FEATURES INCLUDE Leather Seats, Third Row Seat, 4x4, Power Liftgate, Rear Air, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat, Premium Sound System, Satellite Radio, Onboard Communications System, Trailer Hitch, Aluminum Wheels, Remote Engine Start, Dual Zone A/C. GMC AT4 with ONYX BLACK exterior and JET BLACK interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*. OPTION PACKAGES ENGINE, 6.2L ECOTEC3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm), ASSIST STEPS, POWER-RETRACTABLE WITH PERIMETER LIGHTING, SUNROOF, POWER PANORAMIC, DUAL-PANE tilt-sliding with express-open and close and power sunshade, TECHNOLOGY PACKAGE includes (UV2) HD Surround Vision, (UV6) Head-Up Display and (UKK) Rear Pedestrian Alert, AUDIO SYSTEM, 10.2' DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT-IN 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, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (STD), TRANSMISSION, 10-SPEED AUTOMATIC electronically controlled with overdrive, includes Traction Select System including tow/haul (STD). Remote Trunk Release, Keyless Entry, Privacy Glass, Child Safety Locks, Steering Wheel Controls. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase..