2017 Summit White GMC 4D Crew Cab Sierra 1500 SLT EcoTec3 6.2L V8 4WD 8-Speed Automatic with OverdriveEnhanced Driver Alert Package (Forward Collision Alert, IntelliBeam Automatic High Beam On/Off Headlight, Lane Keep Assist, Low Speed Forward Automatic Braking, and Ultrasonic Front & Rear Park Assist), Off-Road Suspension Package (Hill Descent Control), Preferred Equipment Group 4SA (110-Volt AC Power Outlet, 150 Amp Alternator, 1st & 2nd Row Color-Keyed Carpeted Floor Mats, 2-Speed Active Electronic AutoTrac Transfer Case, 4.2 Diagonal Color Display Driver Info Center, Auto-Dimming Inside Rear-View Mirror, Auxiliary External Transmission Oil Cooler, Chrome Bodyside Moldings, Chrome Door Handles, Chrome Mirror Caps, Color-Keyed Carpeting, Deep-Tinted Glass, Driver & Front Passenger Illuminated Vanity Mirrors, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, EZ Lift & Lower Tailgate, Front Frame-Mounted Black Recovery Hooks, Heavy-Duty Rear Locking Differential, Leather Wrapped Steering Wheel w/Cruise Controls, LED Cargo Box Lighting, LED Tailamps w/Signature, Manual Tilt/Telescoping Steering Column, OnStar 3 Month Guidance Plan, OnStar w/4G LTE, Power Adjustable Pedals, Power Folding & Adjustable Heated Outside Mirrors, Power Windows w/Driver Express Up & Down, Rear 60/40 Folding Bench Seat (Folds Up), Rear Vision Camera, Rear Wheelhouse Liners, Remote Keyless Entry, Remote Vehicle Starter System, Single Slot CD/MP3 Player, Steering Wheel Audio Controls, Theft Deterrent System (Unauthorized Entry), Thin Profile LED Fog Lamps, and Universal Home Remote), SLT Crew Cab Premium Plus Package (10-Way Power Driver's Seat Adjuster, 20 x 9 Chrome Clad Aluminum Wheels, 6-Speaker Audio System, 6 Rectangular Chromed Tubular Assist Steps, Floor Mounted Console, Front Full Feature Power Reclining Bucket Seats, HD Radio, Heated & Ventilated Front Bucket Seats, Heated Driver & Front Passenger Seats, High-Performance LED Headlamps, Integrated Trailer Brake Controller, Leather Wrapped Heated Steering Wheel, Power Sliding Rear Window w/Defogger, Radio: AM/FM Stereo w/8 Diagonal Color Touch Nav., SiriusXM Satellite Radio, Spray-On Pickup Box Bed Liner w/GMC Logo, and Wireless Charging), Trailering Equipment, 8-Speed Automatic with Overdrive, 4WD, Jet Black Leather, 4-Wheel Disc Brakes, 40/20/40 Front Split Bench Seat, 6 Speaker Audio System, 6 Speakers, ABS brakes, Active Noise Cancellation, Adjustable pedals, Air Conditioning, Alloy wheels, AM/FM radio, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic temperature control, Bodyside moldings, Brake assist, Bumpers: chrome, CD player, Compass, Delay-off headlights, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system: OnStar Guidance, Exterior Parking Camera Rear, Front anti-roll bar, Front Center Armrest w/Storage, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Garage door transmitter: HomeLink, Heated door mirrors, Heated front seats, Heavy Duty Suspension, High-Intensity Discharge Headlights, Illuminated entry, Leather Appointed Seat Trim, Low tire pressure warning, Memory seat, Occupant sensing airbag, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power driver seat, Power passenger seat, Power steering, Power windows, Radio data system, Radio: AM/FM Stereo w/8 Diagonal Color Touch Screen, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear window defroster, Remote keyless entry, Security system, Speed control, Speed-sensing steering, Split folding rear seat, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trip computer, Turn signal indicator mirrors, Variab