Allison 1000 6-Speed Automatic, 4WD, Jet Black Medium Ash Gray Piping Stitching Leather.
2018 Chevrolet Silverado 3500HD High Country Summit White 4WD Allison 1000 6-Speed Automatic Duramax 6.6L V8 Turbodiesel
Awards:
* 2018 KBB.com 10 Most Awarded Brands