Summit White 2018 Chevrolet Silverado 3500HD Work Truck DRW RWD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, Dark Ash Vinyl. At Nash Chevy, we strive to offer the best pricing on new vehicles. If you find a lower price on the same vehicle, call us! We will match any reasonable offer! The vehicles we have online are just a small representation of what we have available. Nash Chevy makes no representation regarding the completeness, accuracy, or timeliness of any information posted on this listing or that such information will be error-free. Call our dealership at the number listed on this ad for a full description of our inventory.