Finished this, although I may return to do more at the interior at a later date.
Large resolution 2560x1440, here.
Nice and clean. The headlights and wheels in particular look realy well done.
Cheers. 
the modeling is pretty good, but I think the carpaint could use some work a bit too reflective. an hdri backplate would have rocked so that the car was not stuck in a studio
Something to think about for next car. 