Check out 70s 80s Prototype Main Battle Tank Low-poly 3D model on CGTrader for $30. High-quality mesh by OxS49: 168798 polys, 170961 vertices. UV Mapped.
BLEND (Blender, filesize: 16.7 MB), OBJ (OBJ, filesize: 19.2 MB), FBX (Autodesk FBX, filesize: 7.84 MB), GLTF (glTF, filesize: 8.36 MB), DAE (Collada, filesize: 22.7 MB)