The 911 GT3 nameplate was introduced in 1999 as a spiritual successor to the 1973 911 RS. The RS name was first revived in 2003 as a more powerful and track-focused version of the 996-generation GT3. At first motivated by a 3.6-liter flat-six rated at 381 horsepower, the RS gained 415 ponies when the 997-gen version was launched.