Moonroof, Heated/Cooled Leather Seats, 4x4, Aluminum Wheels, Trailer Hitch, 3 YEARS SIRIUSXM, TRANSMISSION, 8-SPEED AUTOMATIC, 8L80... Onyx Black exterior and Obsidian Rush interior, 4WD AT4X trim. FUEL EFFICIENT 16 MPG Hwy/16 MPG City! KEY FEATURES INCLUDELeather Seats, Sunroof, 4x4, Heated Driver Seat, Cooled Driver Seat GMC 4WD AT4X with Onyx Black exterior and Obsidian Rush interior features a 4 Cylinder Engine with 310 HP at 5600 RPM*. OPTION PACKAGES3 YEARS SIRIUSXM, TRANSMISSION, 8-SPEED AUTOMATIC, 8L80 (STD), ENGINE, TURBOMAX (310 hp 231 kW @ 5600 rpm, 430 lb-ft of torque 583 Nm @ 3000 rpm) (STD). Horsepower calculations based on trim engine configuration. Fuel economy calculations based on original manufacturer data for trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.