New & Used Cars For Sale, Auto Repair Shop and More - Marthaler Chevrolet Buick of Minocqua. Our service technicians are highly trained and certified to perform whatever work you may need on your vehicle. 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