Free Audi 90 Free 3D model by guuido. Available on CGTrader with 24615 polys and 33495 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 2.19 MB), OBJ (OBJ, filesize: 3.73 MB), ABC (Alembic, filesize: 2.89 MB), FBX (Autodesk FBX, filesize: 1.51 MB), PLY (Ply, filesize: 505 KB), DAE (Collada, filesize: 6.43 MB)