Check out Sc-fi desert rover with legs 3D model on CGTrader for $46. High-quality Polygon mesh mesh by tartino: 78500 polys. UV Mapped.
OBJ (OBJ, filesize: 1.34 MB), C4D (Cinema 4D, filesize: 879 KB), DXF (DXF, filesize: 792 KB), 3DS (3D Studio, filesize: 924 KB)