You are right. But these gamma and contrast problems needs to be corrected with photoshop or similar software. My home computer is slow, so i do not render anything on it.
My workplace computer is fast (can render on it), but no photoshop here
If i have a good machine, the renders will be as good as like i imagine it.
you're right, but it is just a test for a studio setup and lighting, no alphas, no transparens textures, no tyre textures, etc.
Sorry for upload a beta image