SUNROOF, POWER (Requires (PDY) SLT Preferred Package.) ,AUDIO SYSTEM, 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) ,ENGINE, 5.3L ECOTEC3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring Dynamic Fuel Management (STD) ,TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine and requires (A50) bucket seats.) ,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 Beginning October 26, 2022 through November 20, 2022, certain vehicles will be forced to include (00C) Not Equipped with Wireless Charging, which removes Wireless Charging. See dealer for details or the window label for the features on a specific vehicle.) (Included with (PDB) SLT Premium Package, (PDC) Texas Edition SLT Premium Package, (PDT) SLT Premium Plus Package and (PDW) Texas Edition SLT Premium Plus Package. ,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, (BVT) Chrome assist steps and (CGN) spray-on bedliner. No substitutions except for LPO wheels. (Not available to order at this time. Not available with (PDW) Texas Edition SLT Premium Plus Package or (PDB) SLT Premium Package. NOTE: (NZD) 20 Polished aluminum wheels can be upgraded to 22 LPO wheels. If 22 LPO wheels are ordered (X31) X31 Off-Road Package or (NHT) Max Trailering Package will not be available.) *GROSS* ,SLT PREFERRED PACKAGE Includes (KSG) Adaptive Cruise Control, (A48) rear sliding power window, (UG1) Universal Home Remote and (KA6) heated second row outboard seats (Requires (PCY) SLT Convenience Package. Included with (PDT) SLT Premium Plus Package and (PDW) Texas Edition SLT Premium Plus Package.) ,SIERRA SAFETY PLUS PACKAGE includes (UFB) Rear Cross Traffic Braking, (UKK) Rear Pedestrian Alert, (TRG) Trailer Camera Provisions, (UKV) Trailer Side Blind Zone Alert and (UV2) HD Surround Vision Certain vehicles built prior to 7-11-22 may be forced to include (00Z) Not Equipped with Front and Rear Park Assist, which removes Front and Rear Park Assist. See dealer for details or the window label for the features on a specific vehicle. Vehicles built on or after 7-11-22 will include (UD5) Front and Rear Park assist. Includes (UD5) Front and Rear Park Assist, and (HS1) Safety Alert Seat. (Not available to order at this time. Included with (PDT) SLT Premium Plus Package or (PDW) Texas Edition SLT Premium Plus Package. Requires (PCY) and (ZL6) ProGrade Trailering System.) ,X31 OFF-ROAD AND PROTECTION PACKAGE includes (X31) Off-Road Package, (CGN) spray-on bedliner and (RIA) All-weather floor liners, LPO Includes (NZD) 20 Polished aluminum wheels and (QAE) 275/60R20 all-terrain, blackwall tires. (Requires 4WD model. Not available with (NHT) Max Trailering Package.) *GROSS*