I have completed 80% this work, now i try catch as many errors as possible

I like it! The color combination is awesome and the spoiler looks really cool!

Only thing to me is that it looks like the lighting is completely flipped...it looks more so as if the light source was coming from the same direction as where the camera is and the "back-side" of the car was in the shadows...but the background you are using the sun is in the background, behind the car! This should mean that the part of the car we see should be MUCH MUCH darker than the side we don't see, accompanied by a large long shadow that is casted towards the camera! Also a tiny detail i'd add would be to make the door lines more visible...

Aside from that i think this is really good work man!