Sierra SLE 1500 4WD Double CAMAX TRAILERING PACKAGE includes 9.76 rear axle 8-speed transmission with 3.42 or 6-speed transmission with 3.73 (JL1) trailer brake controller enhanced cooling radiator revised shock tuning for increased control heavier duty rear springs and increased RGAWR Includes (G80) heavy-duty automatic locking rear differential on 2WD models (already standard on 4WD models) and Z82 Trailering Package. Includes (UHN) 18 X 8.5 bright-machined aluminum wheels., TRANSMISSION 6-SPEED AUTOMATIC ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (STD), TIRES P265/65R18 ALL-SEASON BLACKWALL, ENGINE BLOCK HEATER, MIRRORS OUTSIDE HEATED POWER-ADJUSTABLE VERTICAL TRAILERING UPPER GLASS manual-folding and extending Black; includes integrated turn signal indicators consisting of 51 square inch flat mirror surface positioned over a 24.5 square inch convex mirror surface with a common head and lower convex spotter glass (convex glass is not heated and not power adjustable) and addition of auxiliary cargo lamp for backing up (helps to see trailer when backing up with a trailer) and amber auxiliary clearance lamp Includes (DD8) auto-dimming inside rearview mirror on all models.), SEATING HEATED DRIVER AND FRONT PASSENGER, SLE PREFERRED EQUIPMENT GROUP includes standard equipment, KODIAK includes (AG1) driver 10-way power seat adjuster when ordered with (AZ3) seats only (N37) manual tilt and telescopic steering column (BTV) Remote vehicle starter system (T3U) LED front fog lamps (UG1) Universal Home Remote (C49) rear-window defogger (KI4) 110-volt AC power outlet (CJ2) dual-zone climate control (Z82) trailering equipment and (G80) rear locking differential for 2WD models only, SEATS FRONT 40/20/40 SPLIT-BENCH 3-PASSENGER. Includes driver and front passenger recline with outboard head restraints and centre fold-down armrest with storage. Includes manually adjustable driver lumbar lockable storage compartment in seat cushion and storage pockets (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) (Standard on TK15743 models.), GVWR 7600 LBS. (3447 KG), Four Wheel Drive, Locking/Limited Slip Differential, Four Wheel Drive, Floor Mats, Leather Steering Wheel, Cloth Seats, Auxiliary Audio Input, Power Mirror(s), Steering Wheel Audio Controls, Driver Adjustable Lumbar, Power Door Locks, Tow Hooks, Stability Control, Conventional Spare Tire, Aluminum Wheels, Cruise Control, Cruise Control, Power Door Locks, Driver Vanity Mirror, Traction Control, 4-Wheel Disc Brakes, Tires - Rear All-Season, Passenger Vanity Mirror, Satellite Radio, CD Player, Privacy Glass, Keyless Entry, Bluetooth Connection, Driver Illuminated Vanity Mirror, Pass-Through Rear Seat, HD Radio, Passenger Illuminated Visor Mirror, Split Bench Seat, Tires - Front All-Season, A/C, Heated Mirrors, WiFi Hotspot, Floor Mats, HD Radio, Power Windows, Rear Bench Seat, Steering Wheel Audio Controls, Adjustable Steering Wheel, Satellite Radio, AM/FM Stereo, Power Steering, ABS, Telematics, Bluetooth Connection, HID headlights, Rear Head Air Bag, Navigation from Telematics, Passenger Air Bag, Front Head Air Bag, Driver Air Bag, Passenger Air Bag Sensor, Telematics, Front Side Air Bag, Tire Pressure Monitor, Back-Up Camera, Requires Subscription, Driver Restriction Features, Requires Subscription, Requires Subscription, Requires Subscription, MP3 Capability, MP3 Capability