I highly doubt it'll be RWD and I'm most certainly sceptical that it'll be rear engined. The Prius is not a sports car and we don't need inexperienced people spinning out because the engine's in the rear.

Mods: EV mod, VVT-i emblem, sport pedals, OEM cargo mat, JDM Prius interior footwell lighting, DICE iPod kit, OEM all-weather mats, LED licence plate lights, Phillips Vision Plus