Harper Auto Square | 398 followers on LinkedIn. Jeep, RAM, Chrysler, Dodge, Porsche, Maserati, Alfa Romeo, FIAT, Acura, INFINITI, Jaguar, VW, Audi dealer in Knoxville. | The Harper name has been synonymous with quality since 1981, when Tom Harper opened the Porsche, Audi, Jaguar dealerships in Knoxville. Since then, Harper has expanded to six dealerships, each catering to a different type of driver but providing the same level of excellence in sales and service. Volkswagen was acquired in 1983, Infiniti was added in 1991, and Acura was added in 1996.