Fully Modelled Mercedes 300SL Roadster Red rev (Subdivision ready 3D model) is available on CGTrader for $129. Original author: dragosburian. Specs: 269841 polys, 260443 verts.
STL (Stereolithography, filesize: 20 MB), OBJ (OBJ, filesize: 27.9 MB), BLEND (Blender, filesize: 10.6 MB), FBX (Autodesk FBX, filesize: 111 MB), DAE (Collada, filesize: 19 MB)