Hi :)
this tutorial have been done with the bentley car i made two year ago (then , i have made the nurbs one)
the tutorial have 75pages of picture and textes, that explain all the technique i used to make it, for :
Modeling car and scene
texturing car and scene (two level of details)
lighting
shaders
rendering
post prod
you can too see the french tutorial, you''ll be able to understand better i guess, if there is some glitch ;)