2005 will be a huge year for car video game fans with both Microsoft's Forza Motorsport and Sony's Gran Turismo 4. Joystiq brings us the complete list of Forza's cars and GT4's was leaked months ago. Joystiq says the inclusion of Porsche and Ferrari in Forza is a huge advantage. True those rock, but in GT4 there will be many more vehicles in comparison and many of them are virtual versions of some of the coolest concept cars of the past ten years. Those amazing ideas that never made it to market include the Toyota racer pictured here with an electric motor powering at each wheel. Expect thorough reviews of both games here on Autoblog.