Sorry but that would be impossible. GT2 was a PS1 game, GT4 is a PS2 game, the DC has a lower spec than the PS2 and so has no chance of emulating it, also the game is written on DVD and DC cannot read DVD discs.
Anyway GT4 isnt that great, ive had it for a week and wanna take it back, gets old really quick the first ones were much better, dont be fooled by fancy graphics.
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