- Porsche (for free... after purchase of game)
- Rally di Positano (the yumps, man, THE YUMPS)
- The Sun (specifically at Nurburgring and Fujimi Kaido)
- Less Aliasing (and in general it looks better [to me, at least])
- Probably other reasons
Side note: why do Fujimi Kaido and Nurburgring look markedly worse with each iteration of Forza? Turn10, get on that.