Onyx Black 2026 GMC Sierra 3500HD SLT 4WD 10-Speed Automatic 6.6L V8 10-Speed Automatic, 4WD, Black Leather, 2 Charge/Data USB Ports Inside Center Console, 220 Amp Alternator, 6"" Rectangular Chromed Tubular Assist Steps, Adaptive Cruise Control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Floor-Mounted Center Console, Front Bucket Seats, GMC Premium 13.4"" Diagonal Information Display, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated steering wheel, LED Smoked Amber Roof Marker Lamps, Power Sliding Rear Window with Defogger, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Sierra HD Pro Safety Plus Package, SiriusXM with 360L Trial Subscription, SLT Convenience Package, SLT Preferred Package, SLT Premium Package, Snow Plow Prep/Camper Package, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Suspension Package, Trailer Camera Provisions, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, Universal Home Remote, Ventilated Driver and Front Passenger Seats, Wireless Charging.Also included with every new vehicle we sell: LIFETIME ""NO FEAR"" WARRANTY, FIRST OIL CHANGE, and AT HOME COURTESY DELIVERY! Call us for full details! We pride ourselves on honesty and integrity, but please note that mistakes or misprints due to human error are possible. Find out why our dealerships have won DealerRater.com DEALER OF THE YEAR a whopping 10 TIMES! Call, email, or live chat with one of our friendly sales professionals now to schedule your test drive! Prices shown do not include tax, title, registration and $599 service fees. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/30/2026