8-Speed Automatic, 4WD, Jet Black Leather. Onyx Black 2019 GMC Sierra 1500 SLT 4WD 8-Speed Automatic EcoTec3 5.3L V8 Mark Thomas Ford is proud to offer this wonderful 2019 GMC Sierra 1500 in Onyx Black. This 2019 GMC Sierra 1500 has passed our comprehensive inspection and comes with the following features; Driver Alert Package I (Lane Change Alert w/Side Blind Zone Alert, Perimeter Lighting, Rear Cross Traffic Alert, and Ultrasonic Front & Rear Park Assist), Driver Alert Package II (Following Distance Indicator, Forward Collision Alert, Front Pedestrian Braking, IntelliBeam Automatic High Beam On/Off, Lane Keep Assist w/Lane Departure Warning, Low Speed Forward Automatic Braking, and Safety Alert Seat), Preferred Equipment Group 4SA (12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 170 Amp Alternator, Auxiliary External Transmission Oil Cooler, Chrome Grille, Color-Keyed Carpeting Floor Covering, Compass, Deep-Tinted Glass, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Front Frame-Mounted Black Recovery Hooks, GMC 4G LTE, GMC Connected Access, HD Radio, Heated Driver & Front Passenger Seating, Heavy-Duty Rear Locking Differential, Hitch Guidance, Hitch Guidance w/Hitch View, In-Vehicle Trailering App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel & Telescoping Steering Column, OnStar & GMC Connected Services Capable, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rear Windows w/Express Down, Rear Dual USB Charging-Only Ports, Rear Wheelhouse Liners, Remote Vehicle Starter System, Steering Wheel Audio Controls, and Theft Deterrent System (Unauthorized Entry)), SLT Convenience Package (2 USB Ports, 2 USB Ports (1st Row), Floor Mounted Console, Front Bucket Seats, Heated 2nd Row Outboard Seats, Power Sliding Rear Window w/Rear Defogger, Universal Home Remote, and Ventilated Driver & Front Passenger Seats), SLT Preferred Package (Premium Bose 7-Speaker Sound System, Radio: Premium GMC Infotainment Sys w/Navigation, SiriusXM Radio, and Wireless Charging), SLT Premium Plus Package (Chrome Assist Steps, Spray-On Pickup Bed Liner w/GMC Logo, and Trailer Tire Pressure Monitor System), Trailering Package, 8-Speed Automatic, 4WD, Jet Black Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 20 x 9 Polished Aluminum Wheels, 3.23 Rear Axle Ratio, 4-Wheel