2012 Porsche 911 GT3 RSR makes world debut at Sebring Test

The first few 2012 Porsche 911 GT3 RSR racers have made their first appearance in the United States, ahead of their competition debut in the the American Le Mans Series. Although the machine is labeled with the 2012 designation, the latest GT3 RSR is actually still based on the 997 model, not the latest 991 variant of Porsche's long-running 911 model range. Still, there are plenty of updates that make this GT3 interesting to racers.

Autoblog, 2012 Porsche 911 GT3 RSR makes world debut at Sebring Test