2017 GMC Sierra 2500HD SLT 4WD Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic Stone Blue Metallic Allison 1000 6-Speed Automatic, 4WD, Cocoa/Dune Leather. Davidson Chevrolet of Watertown, NY is your premier destination for new Chevrolet vehicles, including top models like the Silverado 1500, Equinox, and Traverse. We also offer a wide variety of certified pre-owned and used cars, trucks, and SUVs to suit every need. Our dealership provides expert Chevy service, genuine GM parts, and affordable financing and lease options tailored to you. Whether you're buying or servicing your vehicle, Davidson Chevrolet delivers trusted, hometown service in Watertown and the surrounding areas.