Marion Used Car Superstore is part of the McGrath Automotive Group, which serves the Marion/Cedar Rapids area. The superstore offers a wide selection of pre-owned cars, trucks, vans, mini-vans and SUVs. The superstore provides buyers with a variety of financing options to take their new vehicles home. A certified service department is available on-site as well as a full selection of parts and accessories. Check out its inventory in person or online.