Ridge Racer Full Size (with the actual car) would probably be a difficult beast to dump (because there are so few of them and because buying one would be super-expensive even discounting its rarity).
That said, if it IS ever dumped, I wonder who will be the first to wire it up to an actual car (and what car they would use as their sacrifice)
Sega Rail Chase the Raid would be even harder to dump, its rarer, bigger and likely more expensive than Ridge Racer Full Size.