Bob Huff Chevrolet Buick GMC - New Car Dealer, Used Cars For Sale & Auto Repair Shop in WYTHEVILLE. 1. Available toward the purchase or lease of all 2021/2022 Silverado 1500 Crew Cab pickups, most 2021/2022 Blazer, Equinox, Trax and Trailblazer models, and most 2021 Traverse, Malibu and Spark models. Not available with some other offers. Limit one online