2015 GMC Sierra 1500 SLT 3.08 Rear Axle Ratio,Heavy-Duty Rear Locking Differential,Wheels: 18" x 8.5" Polished Aluminum,40/20/40 Front Split Bench Seat,Leather Appointed Seat Trim,10-Way Power Driver's Seat Adjuster,Heated Driver & Front Passenger Seats,Radio: AM/FM Stereo w/8" Diagonal Color Touch Screen,SiriusXM Satellite Radio,Electric Rear-Window Defogger,Color-Keyed Carpeting w/Rubberized Vinyl Floor Mats,Heavy Duty Suspension,Trailering Equipment,Single Slot CD/MP3 Player,Remote Vehicle Starter System,OnStar 6 Months Directions & Connections Plan,110-Volt AC Power Outlet,Rear Vision Camera w/Dynamic Guide Lines,Front Halogen Fog Lamps,LED Cargo Box Lighting,Deep-Tinted Glass,Electronic Autotrac Transfer Case,Power Windows w/Driver Express Up & Down,Rear 60/40 Folding Bench Seat (Folds Up),Remote Keyless Entry,Rear Wheelhouse Liners,Chrome Bodyside Moldings,Rear Bumper Cornersteps,Dual-Zone Automatic Climate Control,Auto-Dimming Inside Rear-View Mirror,Driver & Front Passenger Illuminated Vanity Mirrors,Power Folding & Adjustable Heated Outside Mirrors,Chrome Mirror Caps,Chrome Door Handles,Power Adjustable Pedals,150 Amp Alternator,Auxiliary External Transmission Oil Cooler,Manual Tilt Wheel Steering Column,Leather Wrapped Steering Wheel w/Cruise Controls,EZ Lift & Lower Tailgate,4.2" Diagonal Color Display Driver Info Center,Universal Home Remote,Steering Wheel Audio Controls,Theft Deterrent System (Unauthorized Entry),Chrome Grille Surround,Chrome Front Bumper,Front Frame-Mounted Black Recovery Hooks,Chrome Rear Bumper,OnStar w/4G LTE,4-Wheel Disc Brakes,Emergency communication system: OnStar Directions & Connections,Exterior Parking Camera Rear,Premium audio system: IntelliLink,AM/FM radio: SiriusXM,Front Center Armrest w/Storage,Compass,Auto-dimming Rear-View mirror,Front beverage holders,Variably intermittent wipers,Turn signal indicator mirrors,Trip computer,Traction control,Tilt steering wheel,Telescoping steering wheel,Steering wheel mounted audio controls,Split folding rear seat,Speed-sensing steering,Speed control,Security system,Remote keyless entry,Rear window defroster,Rear step bumper,Rear seat center armrest,Rear reading lights,Radio data system,Power windows,Power steering,Power passenger seat,Power driver seat,Power door mirrors,Passenger vanity mirror,Passenger door bin,Panic alarm,Overhead console,Overhead airbag,Outside temperature display,Occupant sensing airbag,Memory seat,Low tire pressure warning,Illuminated entry,Heated front seats,Heated door mirrors,Garage door transmitter: HomeLink,Fully automatic headlights,Front wheel independent suspension,Front reading lights,Front fog lights,Front dual zone A/C,Front anti-roll bar,Dual front side impact airbags,Dual front impact airbags,Driver vanity mirror,Driver door bin,Delay-off headlights,CD player,Bumpers: chrome,Brake assist,Bodyside moldings,Automatic temperature control,Auto-dimming door mirrors,Alloy wheels,Adjustable pedals,ABS brakes,Voltmeter,Tachometer,Electronic Stability Control,Air Conditioning,6 Speakers, 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), Tow Hitch, Locking/Limited Slip Differential, Tow Hooks, Power Steering, ABS, 4-Wheel Disc Brakes, Aluminum Wheels, Tires - Front All-Terrain, Tires - Rear All-Terrain, Fog Lamps, Heated Mirrors, Power Mirror(s), Integrated Turn Signal Mirrors, Power Folding Mirrors, Privacy Glass, AM/FM Stereo, Auxiliary Audio Input, Smart Device Integration, CD Player, Power Driver Seat, Power Passenger Seat, Leather Seats, Split Bench Seat, Driver Adjustable Lumbar, Passenger Adjustable Lumbar, Seat Memory, WiFi Hotspot, Pass-Through Rear Seat, Rear Bench Seat, Floor Mats, Adjustable Steering Wheel, Leather Steering Wheel, Power Windows, Adjustable Pedals, Keyless Entry, Remote Engine Start, Universal Garage Door Opener, Security System, Climate Control, Multi-Zone A/C, A/C, Rear Defrost, Auto-Dimming Rearview Mirror, Driver Vanity Mirror, Passenger Vanity Mirror, Driver Illuminated Vanity Mirror, Passenger Illuminated Visor Mirror, Navigation from Telematics, Traction Control, Stability Control, Daytime Running Lights, Driver Air Bag, Passenger Air Bag, Front Side Air Bag, Front Head Air Bag, Rear Head Air Bag, Passenger Air Bag Sensor, Back-Up Camera, Tire Pressure Monitor