2.7L V6 DOHC 24V. Clean CARFAX. 2005 Kia Optima 27/20 Highway/City MPG Fenton Nissan of Rockwall is proud to serve drivers from all over Mesquite, Rowlett, Garland, and Dallas, TX. We offer: Complimentary car wash with service work. Largest Nissan dealership in the United States. Family owned. Complimentary service shuttle. On site rental cars available for service. Complimentary Wi-fi, beverages, snacks and private offices available. Multilingual sales and service staff. Carfax vehicle report on all vehicles. Certified sales staff.