Cadillac Dealer Cadillac XLR Roadster Lees Summit MOCadillac Dealer Cadillac XLR Roadster Lees Summit Missouri. http://www.VanCadillac.com or call 816-256-4763. Van Cadillac has the best deals on new and pre owned Cadillac XLR Roadster vehicles in the Lees Summit Missouri area. We are a short drive here in Kansas City Missouri.