Frank's Auto Sales 2674 Hartford Ave, Johnston, RI02919 Frank's Auto Sales is on Hartford Avenue in Johnston, conveniently located in the Atwood Avenue district with easy…More access to local highways. Frank's Auto Sales offers premium used vehicles at affordable costs. Whether you need a replacement vehicle or a starter car, Frank's Auto Sales is a good place to start your search. The company also offers a garage bay on site for servicing and repairs. For more information please call or stop by to view the current inventory.