Andy you have asked for this on at least 3 different sites. The models belong to 3D Autosports and are for public sale. Some of the models for SCE have been modified by teamom3ga. At teamom3ga we do mess with renders for them, but they are just private stuff.
There may be a car viewer released at a later date, but the 3D Max models will not go public.
Apologies if this sounds unfair, but I think you will agree that it is unfair to release for free, What a company sells to the public. It is their hard work that makes gaming cool fun and great looking.
I do hope this clears up any confusion...and sorry Robert for the long drawn out reply.