GMC 2018 GMC Yukon XL SLT 2018 GMC Yukon XL SLT SPECIFICATIONS, PRICE & IMAGES Fuel Type: Gasoline Exterior Color: Onyx Black City MPG: 16 Interior Color: Jet Black Highway MPG: 23 Drivetrain: RWD Transmission: 6-Speed Automatic Engine: 5.3L V8 16V GDI OHV Car Features Hot Car Deals!Certified 2019 Honda Civic LX 2016 INFINITI QX60 Base 2020 Lexus ES 350 ES 350 2020 Hyundai Tucson SE 2015 RAM 3500 Longhorn 2013 BMW X5 xDrive35i 2020 RAM 1500 Laramie 2014 Chevrolet Impala Limited LT