Porsche have released an updated 911 GT3 RS featuring an improved four liter engine. The 911 GT3 RS 4.0 is the most powerful normally aspirated 911 Engine outputting five hundred horsepower the same as a 911 Turbo. The car has carbon fiber seats as well as other components bringing the overall weight down significantly. Only six hundred will be made and will only be available in Carrara White with silver and red detailing.