Thelen Auto Group is a family owned and operated company located in Bay City, Michigan. We are one of the oldest family car dealerships in the area. Serving the Great Lakes Bay Region since 1977, we are now in our third generation of Thelen family members in our business. The Thelen family insists on integrity and strong customer service before, during, and after a sale to customers in Bay City. Used cars, new cars, you name it and we have it! At Thelen Auto group we have a great selection of vehicles to choose from. If we don't have the vehicle you desire in stock, we will find it for you! We also offer a state-of-the-art Service Department and Body Shop, as well as genuine OEM Parts and Accessories. We believe in giving back to the community we live in, so Thelen Auto Group is a proud sponsor of the dozens of local organizations and charities including American Cancer Society, Bay Area Family YMCA, Bay City Fireworks Festival, Cool City Classic Car Show, Bijou Orchestra, Delta College, Northwood University, Bay City State Theatre, Toys for Tots, and more! Customers are also invited to speak to an owner at any time, for any reason. Our personal guarantee is that you'll feel like family at our dealership.