Onyx Black 2025 GMC Sierra 2500HD Denali Ultimate One Owner, Clean Carfax, Local Trade, Fresh Trade, Leather Interior, Parking Sensors, Heated Seats, Heated and Cooled Seats, Apple CarPlay/Android Auto, Reverse Camera, Rear Cross Traffic Alert, Lane Departure Warning, Sierra 2500HD Denali Ultimate, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Alpine Umber Leather, Wheels: 20" Ultra-Bright Machined Aluminum.CARFAX One-Owner. Clean CARFAX.INFINITI of Boerne has been honored as one of the elite INFINITI retailers in the United States earning the Circle of Excellence Award. This prestigious award is granted to less than ten percent of all INFINITI retailers for their outstanding customer service and performance. View Our Story (https://youtu.be/pefb6aU3Hww) and see why INFINITI of Boerne stands out from the rest of the competition.