Onyx Black 2024 GMC Sierra 2500HD AT4X 4WD 10-Speed Automatic 6.6L V8 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 16-Way Power Driver Seat Adjuster w/Lumbar, 16-Way Power Passenger Seat Adjuster w/Lumbar, 220-Amp Alternator, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium Series 12-Speaker System, Buckle to Drive, Deep-Tinted Glass, Driver Memory, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front Bucket Seats, Front dual zone A/C, Front fog lights, Front Pedestrian Braking, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, Full Grain Leather Seat Trim, Fully automatic headlights, Garage door transmitter, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heads-Up Display, Heated front seats, Heated rear seats, Heated steering wheel, Hill Descent Control, Hitch Guidance w/Hitch View, In-Vehicle Trailering System App, Inside Rearview Auto-Dimming Rear Camera Mirror, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Memory seat, Multicolor 15 Diagonal Head-Up Display, Power Front Passenger Windows w/Express Up/Down, Power Sliding Rear Window w/Defogger, Power Sunroof, Push Button Start, Rain sensing wipers, Rear Cross Traffic Alert, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L, Snow Plow Prep/Camper Package, Spray-On Bedliner w/AT4 Logo, Trailer Cam Provisions & Trailer Viewing Software, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor Sensors, Ultrasonic Front & Rear Park Assist, Ventilated front seats, Wheels: 18 Machined Alum w/High Gloss Blk Accents, Wireless Charging, Wireless Phone Projection. At Brennan Buick GMC, we're here for you throughout the life of your vehicle. If you're in the market for a new or used truck, SUV, or car, visit our dealership to see the best that Brennan Buick GMC has to offer.