$4.99 Go Kart Low-poly 3D model by Studio-Lab. Available on CGTrader with 7627 polys and 7599 vertices. Check it out on CGHub.
STL (Stereolithography, filesize: 1.93 MB), OBJ (OBJ, filesize: 2.14 MB), BIP (KeyShot, filesize: 1.54 MB), TEXTURES (Textures, filesize: 44.2 MB), FBX (Autodesk FBX, filesize: 2.09 MB), MA (Autodesk Maya, filesize: 3.36 MB), BLEND (Blender, filesize: 46.8 MB)