$20 Kenworth T800 Black Low-poly 3D model by boudreauxryan. Available on CGTrader with 1231890 polys and 1158856 vertices. Geometry: Polygon mesh. Check it out on CGHub.
STL (Stereolithography, filesize: 59.6 MB), OBJ (OBJ, filesize: 134 MB), FBX (Autodesk FBX, filesize: 42.2 MB)