KEY FEATURES INCLUDELeather Seats, 4x4, Heated Driver Seat, Cooled Driver Seat, Back-Up Camera. GMC 4WD Denali with Onyx Black exterior and Jet Black/Teak interior features a 4 Cylinder Engine with 310 HP at 5600 RPM*. OPTION PACKAGESENGINE, TURBOMAX (310 hp 231 kW @ 5600 rpm, 430 lb-ft of torque 583 Nm @ 3000 rpm) (STD), TRANSMISSION, 8-SPEED AUTOMATIC, 8L80 (STD). WHO WE AREFamily owned and operated, Hertrich Buick-GMC has been your Delmarva GMC dealer since 1964! We are located in the heart of the Delmarva Peninsula at 26953 Sussex Highway, Seaford, Delaware and serve as your Buick-GMC dealer with a state of the art GM Certified Sales & Service Department. As your gateway to the best buying experience you will ever have, we at Hertrich Buick-GMC know that price is important thats why we will beat out the competition time and time again with our aggressive pricing. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.