$5 Carport 3D model by ahammodullah. Available on CGTrader with 9840 polys and 9892 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 1.41 MB), BIP (KeyShot, filesize: 14.2 MB), MA (Autodesk Maya, filesize: 2.72 MB), FBX (Autodesk FBX, filesize: 503 KB), BLEND (Blender, filesize: 561 KB), SPP (Substance Painter, filesize: 28.2 MB)