Gray 2018 GMC Sierra 3500HD Denali 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, 4WD.

　　Options:

　　Lpo Cargo Box Retractable Driver Side Only Side A| Jet Black Perforated Leather-Appointed Front Seat| Hill Descent Control| Gooseneck / 5Th Wheel Prep Package -- Hitch Platfo| Engine Block Heater| Audio System 8 Diagonal Color Touch Screen Navig| Sunroof Power| Rear Axle 3.73 Ratio| Transmission Allison 1000 6-Speed Automatic Elec| Lpo Hitch Package Gooseneck Ball And Chain Tiedo| Lpo Chrome Recovery Hooks| Tires Lt265/70R18e All-Terrain Blackwall| Gvwr 11 500 Lbs. (5216 Kg) With Single Rear Wheel| Paint Solid| Suspension Package Off-Road Includes Twin Tube R| Engine Duramax 6.6L Turbo-Diesel V8 B20-Diesel C| Duramax Plus Package Includes (L5p) Duramax 6.6L| Lpo All-Weather Floor Liner| Dark Slate Metallic| Denali Preferred Equipment Group Includes Standar| Seats Front Full-Feature Leather-Appointed Bucket| Lpo Rear Underseat Storage Composite Storage Bin| Exhaust Brake| Lane Departure Warning| Locking/Limited Slip Differential| Four Wheel Drive| Tow Hitch| Tow Hooks| Power Steering| Abs