Check out Cadillac SeVille STS 3D model on CGTrader for $70. High-quality Polygon mesh mesh by Carmodels3D: 390000 polys, 400000 vertices.
MAX (Autodesk 3ds Max, filesize: 50.7 MB), OBJ (OBJ, filesize: 53.9 MB), FBX (Autodesk FBX, filesize: 23.3 MB), MAX (Autodesk 3ds Max, filesize: 50.7 MB), 3DS (3D Studio, filesize: 19.7 MB)