Engine: 6.7L I6 Cummins Ho Turbo Diesel,Longhorn Level 1 Equipment Group,Auto Level Rear Air Suspension,Power Sunroof,Dual Rear Wheels,Sun/Moonroof,5Th Wheel/Gooseneck Towing Prep Group,Leather Seats,Navigation System,50 Gallon Fuel Tank,Lane Keeping Assist,Keyless Start,Cooled Front Seat(S),Bison Brown; Premium Filigree Leather Seats,Bright White Clearcoat,Quick Order Package 24K Longhorn,Transmission: 8-Speed Torqueflite Hd Automatic