Here is the advertisement for the 2019 GMC Sierra 3500HD SLT: This powerful and well-equipped 2019 GMC Sierra 3500HD SLT is ready to take on any task with its Duramax 6.6L V8 Turbodiesel engine and Allison 1000 6-Speed Automatic transmission. With 4-wheel drive, this Sierra 3500HD is built to handle the toughest jobs and terrain. - Standard Suspension Package - Trailering Equipment This Sierra 3500HD is loaded with premium features, including: - 6-Speaker Audio System - HD Radio - GMC Infotainment System - Dual-Zone Automatic Climate Control - Remote Vehicle Starter System - Heated Front Seats - Leather-Appointed Seat Trim - Power Driver & Passenger Seats - Auto-Dimming Rearview Mirror - Rear Park Assist - Chrome Exterior Accents Combining rugged capability with premium comfort and convenience, this 2019 GMC Sierra 3500HD SLT is an exceptional value. Schedule your test drive today to experience the power and refinement of this exceptional heavy-duty pickup.