Onboard Communications System, iPod/MP3 Input, Satellite Radio, 4x4, Aluminum Wheels, Trailer Hitch, TRANSMISSION, 8-SPEED AUTOMATIC, 8L80... EPA 22 MPG Hwy/17 MPG City! Onyx Black exterior and Jet Black interior, 4WD Elevation trim KEY FEATURES INCLUDE4x4, Back-Up Camera, Satellite Radio, iPod/MP3 Input, Onboard Communications System GMC 4WD Elevation with Onyx Black exterior and Jet Black 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). 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.