2018 GMC Yukon XL SLT Sport Utility 4D V8, EcoTec3, 5.3 Liter Automatic, 6-Spd HD w/Overdrive[GU4] Rear Axle, 3.08 Ratio[4SA] SLT Preferred Equipment Group Standard Equipment[ZY1] Solid Paint[GBA] Onyx Black[H2X] Jet Black, Perforated Leather Appointed Seat Trim[IO6] Audio System, 8' Diagonal Color Touch Screen Navigation With GMC Infotainment System