Here's a better render. I read that the Mars atmo is kind of dusty. Plucked a Rover from the web, but I haven't changed the glass and such yet. Just dumped it on the surface. I am thinking about how to make the 'flakes' that stick out in the reference photo....
The tracks are a photoshop painted square mask, set to 0.6m wide, repeated Y-wise, fed through a transform shader to get the second track, and then warped. This whole set is duplicated and the warping fractal (or Perlin 3D for smoother effect) slightly changed, so you get front and back wheels slightly different in corners (like in real life). Then merge it all together. This should get you on track
