Update #1
Adding little update.
I decided that the rover would have a jet engine in order to overcome small obstacles. He will allow him to rise a little above the ground.
But, still it will cover most of the distance on tracks.
Next I will hand over a cunning mount, which will allow it to achieve greater mobility and maneuverability.
Still trying to figure out about head shape - thinking about something Wall-e like.
Update# 9
Finished texturing. The rock materiail is pretty simple just mixed few layers and use as instance. One more test render from Iray. I think here I'll stop. The only one moment, I don't like too blurry ground texture in front of the image, next time need to count textile density :/ I'll try to export ground texture in 8k resolution, maybe it will help, if not I'll have to remake ground uv's.