Presidential Car NEG Free 3D model is available on CGTrader for free. Original author: gontrand.
STL (Stereolithography, filesize: 2.08 MB), OBJ (OBJ, filesize: 1.59 MB), 3DS (3D Studio, filesize: 310 KB), FBX (Autodesk FBX, filesize: 2.39 MB), IGE (IGES, filesize: 299 Bytes), MAX (Autodesk 3ds Max, filesize: 678 KB), SKP (Sketchup, filesize: 1.29 MB), OTHER (Other, filesize: 269 KB)