Duramax 6.6L V8 Turbodiesel, Allison 1000 5-Speed Automatic, 4WD. Odometer is 4497 miles below market average! Recent Arrival! White 2004 Chevrolet Silverado 2500HD 4WD Allison 1000 5-Speed Automatic Duramax 6.6L V8 TurbodieselFrom the moment you step on our lot until the time you drive away in your next car, your buying experience with Coastal Auto Group is our number one priority. We encourage you to use the expertise and resources of our sales staff; they are here to help you find the right car at the right price. Call us today at 251-972-2277 to schedule your test drive!