NAV, Heated Leather Seats, Sunroof, SLT CONVENIENCE PACKAGE, SUNROOF, POWER, 4x4, Turbo, TRANSMISSION, 10-SPEED AUTOMATIC WITH. Alloy Wheels, AUDIO SYSTEM, 13.4 DIAGONAL PREMIUM. ENGINE, DURAMAX 3.0L TURBO-DIESEL I6, X31 OFF-ROAD PACKAGE, SIERRA SAFETY PLUS PACKAGE, SLT PREFERRED PACKAGE, TEXAS EDITION SLT PREMIUM PLUS PACKAG. Tow Hitch. SLT trim, Onyx Black exterior and Jet Black interior. FUEL EFFICIENT 26 MPG Hwy/22 MPG City! CLICK ME!KEY FEATURES INCLUDELeather Seats, Satellite Radio, Onboard Communications System, Trailer Hitch Privacy Glass, Keyless Entry, Steering Wheel Controls, Alarm, Heated Mirrors.OPTION PACKAGESTEXAS EDITION SLT PREMIUM PLUS PACKAGE includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PED) Sierra Safety Plus Package, (ZL6) ProGrade Trailering system, (NZD) 20 Polished aluminum wheels, (CGN) spray-on bedliner, (BVT) Chrome assist steps and Texas Edition badging. SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console, (KQV) ventilated front seats, (K4C) Wireless Charging, (UQA) Bose Premium Audio System, (N38) Power Rake/ Telescoping steering column and (UBC) USB ports, 2 (first row) Charge and Data ports located inside armrest, SLT PREFERRED PACKAGE Includes (KSG) Adaptive Cruise Control, (A48) rear sliding power window, (UG1) Universal Home Remote and (KA6) heated second row outboard seats, SUNROOF, SIERRA SAFETY PLUS PACKAGE includes (UD5) Front and Rear Park Assist, (UFB) Rear Cross Traffic Braking, (UKK) Rear Pedestrian Alert, (TRG) Trailer Camera Provisions, (UKV) Trailer Side Blind Zone Alert and (UV2) HD Surround Vision (Includes (HS1) Safety Alert Seat. X31 OFF-ROAD PACKAGE includes Off-Road suspension, (JHD) Hill Descent Control, (NZZ) skid plates, (K47) heavy-duty air filter and X31 hard badge Includes (NQH) 2-speed transfer case, (XCK) 265/65R18SL all-terrain, blackwall tires and (N10) dual exhaust. ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater. 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, 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 (STD), 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking. GMC SLT with Onyx Black exterior and Jet Black interior features a Straight 6 Cylinder Engine with 305 HP at 3750 RPM*.EXPERTS REPORTGreat Gas Mileage: 26 MPG Hwy.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.