mMXPiker Peak Racing car design ( Need Render Critiques Comments)

IN PROGRESS
This is a personal car racing design Programme Call MMX(Marco And Mark) Customer Programme
This is our first car
Mercedes A45 MMX Piker Peal(Base on Mercedes A45 AMG)

Anyway I think my render is not too good…I hope I can improve my render! THANK YOU VERY MUCH!!!

This is my first composition(Not Finish yet):



Another angle(extremely bad)


I try my best in material…but still unrealistic…
Can I improve it?


Lighting steps


Re-create tyres material