Mazda RX-7 FC3S S4 (Polygon mesh 3D model) is available on CGTrader for $65. Original author: cihanunsat. Specs: 305200 polys, 319631 verts.
MAX (Autodesk 3ds Max, filesize: 9.61 MB), OBJ (OBJ, filesize: 12.2 MB), FBX (Autodesk FBX, filesize: 23.2 MB)