Find the best trade-in value for your ride here at Palmen Buick GMC Cadillac! Drivers in the Kenosha, Wisconsin area can begin the trade-in process by contacting the dealership staff in-person, by phone, or by using the following online trade evaluation form. . Please let us know your vehicle’s up-to-date information for an accurate vehicle appraisal. Once we receive your message, a dealership representative will be in touch to provide an initial estimate.