Thanks hall90. I actually found that thread last night and posted the same question there. And strangely enough someone answered the question there by pointing me to this thread. LOL. Funny, when you enter a non LMGT in an on-line race the rejection displays five car names, then it says "and 15 others". So I gather there are 20 or them.
However, PD needs to define them in a manner that allows us to look them up. LMGT's are only the tip of the iceberg.
Just as PD needs to provide us with more control over what tuning parts/upgrades are or are not allowed for on-line races, they also need to make it clear what cars are part of what category. In fact they need to provide more categories and open up updated racing car/street car classifications.