Learn more about what makes The Exchange Auto Group (A division of Semersky Enterprises, Inc) one of the most successful automotive dealership groups in the country. The Audi Exchange and Porsche Exchange are both the highest volume dealerships in the Midwest when it comes to their respective brands. The Exchange offers a level or service and expertise that is second to none. A strong belief in the Golden Rule is what makes our overall customer experience second-to-none.