I really really like the monochromatic approach here, but not sure if I like the extreme value contrast and hard edges effect

I like everything about it! Just a cool idea, and you were very consistent in executing it. It isn't "pretty" in the conventional sense, but it is a solid idea well done and a very striking image.

A beautiful composition. What a nice wallpaper!!! :-)

Absolutely love it. Especially its heaviness of editing (lol). Makes it very 'illustration' like.

One thing, the white border thing isn't very pleasing when it comes to the car - I'd like it just kept to the trees.