Cadillac of Naperville is Chicagoland's Cadillac Superstore. We are a new and used Cadillac car and SUV dealer located in Nap ... erville IL, also servicing nearby cities including Aurora IL, Bartlett IL, Lombard IL, Joliet IL, Oswego, Batavia, Geneva and St. Charles, IL. We are also an authorized HUMMER Service Center. Here at Cadillac of Naperville, we believe in the value of our vehicles and we are dedicated to making sure your vehicle shopping experience is both hassle-free and enjoyable. Our commitment to quality, experience in the car and Cadillac industry and the friendly way we do business is important to us; see the difference here at Cadillac of Naperville. read more