While Gran Turismo often deals with the more refined aspects of car racing, you won't find any of that in this trailer. All you'll find here are giant cars going round and around and around.
While NASCAR's inclusion in Gran Turismo 5 has been known for a while now, this is the first time we've really seen it in action, the amount of detail showing that Polyphony may be taking this license a little more seriously than they have the rally stuff included in previous titles.