Basically any car in the FIA GT series, as well as the Spa 24hr, Monza 24hr, etc etc.
YOu’ve got a slew of porsches (Cup cars, RS, RS-Rs, Biturbos, GT2s), some Vipers, C5Rs, TVRs, various Ferrari’s (360 GTC, 360 Modena, 550 MAranello, 575 GTC, etc.), Lotus Motorsport Elise/Exige, Seat, MAserati, Mosler, Lister Storm, on and on.
PLUS there is a large online mod community, so there are plenty of mod cars with new skins, etc.