"Experience the ultimate in power and capability with this 2022 GMC Sierra 3500HD AT4 Diesel. Engineered to conquer any terrain, this rugged workhorse boasts a Duramax 6.6L V8 Turbodiesel engine mated to a 10-speed automatic transmission, delivering an impressive 910 lb-ft of torque for exceptional towing and hauling performance. - GOOSENECK / 5TH WHEEL PACKAGE - Onyx Black Exterior - Black Interior - ENGINE BLOCK HEATER - 220 AMP ALTERNATOR - 20"" MACHINED ALUMINUM WHEELS with High Gloss Black Accents - LPO, SPORT STEP, BLACK (dealer-installed) - HIGH IDLE SWITCH This Sierra 3500HD AT4 Diesel is equipped with an impressive array of premium features: - Steering Wheel Audio Controls - Red Recovery Hooks - Electric Rear-Window Defogger - 120-Volt Bed Mounted Power Outlet - Power Front/Rear Windows with Express Up/Down - Remote Vehicle Starter System - Tilt-Wheel/Telescoping Steering Column - 2-Speed Active Transfer Case - Black Sport Step (LPO) - LED Cargo Area Lighting - ProGrade Trailering System - Spray-On Pickup Bed Liner with AT4 Logo - Heated Steering Wheel - Ventilated Front Seats - Integrated Trailer Brake Controller Prepare to take on any job or adventure with confidence in this exceptional 2022 GMC Sierra 3500HD AT4 Diesel. Experience the ultimate in power, capability, and premium features."