Koehne Buick Pontiac GMC is an automobile dealership that offers a variety of cars, trucks and sport utility vehicles. It provides various Buick models, such as the Lucerne and LaCrosse. The dealership also offers Pontiac models, including the G5 and G8. Koehne Buick Pontiac GMC serves customers in Oconto, Peshtigo and Green Bay in Wisconsin. Its GMC models include the Sierra and Canyon. The dealership provides financing options through certified lenders. Koehne Buick Pontiac GMC additionally maintains an inventory of pre-owned vehicles from several makes that include Saturn, Toyota and Jeep. It operates a service department that offers oil change and tire rotation solutions.