Walter Röhrl
The 997 GT3 has a rated 0- acceleration time of 4.1 seconds and has a top speed of . "Road and Track" was able to achieve a 0-60 mph acceleration time of 3.8 seconds. Porsche's official test-driver Walter Röhrl completed the Nürburgring Nordschleife in 7 minutes 42 seconds with the 997 GT3 in 2006.