Audi RS3 Sedan 2017 (Polygon mesh 3D model) is available on CGTrader for $128. Original author: squir. Specs: 800000 polys, 800000 verts.
MAX (Autodesk 3ds Max, filesize: 62.7 MB), OBJ (OBJ, filesize: 54.9 MB), FBX (Autodesk FBX, filesize: 26.7 MB), C4D (Cinema 4D, filesize: 14.9 MB), 3DS (3D Studio, filesize: 9.66 MB), LWO (Lightwave, filesize: 13.2 MB)