EPA 21 MPG Hwy/15 MPG City! Back-Up Camera, 4x4, Trailer Hitch, ELEVATION EDITION, TRANSMISSION, 6-SPEED AUTOMATIC, ELEC... SEE MORE!KEY FEATURES INCLUDE4x4, Back-Up Camera, Trailer Hitch. Electronic Stability Control, HID headlights, 4-Wheel ABS, Tire Pressure Monitoring System, 4-Wheel Disc Brakes. GMC Double Cab Standard Box 4-Wheel Drive with Onyx Black exterior and Dark Ash seats with Jet Black interior accents interior features a 8 Cylinder Engine with 355 HP at 5600 RPM*. OPTION PACKAGESELEVATION EDITION includes (NZQ) 20 x 9 Black-painted aluminum wheels, (QT0) P275/55R20 all-season, blackwall tires, (DL8) outside heated power-adjustable mirrors, (DP6) body colored mirror caps, (TRB) body color accented grille surround, (AQQ) Remote Keyless Entry, (A91) remote locking tailgate, (AKO) deep tinted glass, (B86) bodyside, body color moldings, (KI4) 110-volt AC power outlet, (UE1) OnStar, (VV4) OnStar 4G LTE Wi-Fi Hotspot, (B30) carpeted floor, (VB5) front body-color bumper, (VT5) rear body-color bumper with corner steps, (D75) body colored door handles, (T3U) LED front fog lamps and (V76) Black recovery hooks on 2WD model. LPO, ALL-WEATHER FLOOR LINER, AUDIO SYSTEM, 7 DIAGONAL COLOR TOUCH SCREEN WITH GMC INFOTAINMENT SYSTEM, AM/FM with USB ports, auxiliary jack, Bluetooth® streaming audio for music and most phones, Pandora Internet radio and voice command pass-through to phone (STD), ENGINE, 5.3L ECOTEC3 V8 WITH ACTIVE FUEL MANAGEMENT, DIRECT INJECTION and Variable Valve Timing, includes aluminum block construction (355 hp 265 kW @ 5600 rpm, 383 lb-ft of torque 518 Nm @ 4100 rpm; more than 300 lb-ft of torque from 2000 to 5600 rpm) (STD), TRANSMISSION, 6-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (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.