2021 GMC Yukon SLT. CARFAX One-Owner. Clean CARFAX. 2021 GMC Yukon SLT Onyx Black 4WD 10-Speed Automatic with Overdrive EcoTec3 5.3L V8 This Vehicle Includes the Following Features:, Backup Camera/ Rearview Camera, Bluetooth, Apple Carplay/ Android Auto, Lane Departure... via AutoRevolution