Summit White 2019 Chevrolet Silverado 2500HD LT 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic, 4WD, Black Cloth, 4.2 Diagonal Color Display Driver Info Center, 6-Speaker Audio System, Body Color Door Ha...