Sometimes the need for speed cannot be satisfied by the average street car. So, for the driver who is serious about racing, a GT version of their favorite sports car might be the perfect way to scratch that itch. Some automakers like Porsche have been producing racecars en masse for years now. In fact, Porsche does it so regularly, their GT3 Cup cars roll off the same assembly line as other road-going models like the Boxster and Cayman. Other automakers have taken notice of the demand for racecars based off production versions, and now most high-end automakers offer GT versions to customers. While all of these cars can be had for the right price, they are meant for the track—so owners will need experience and a track club membership to drive them. Here are our favorite production racecars you can get your hands on today.