1974 Porsche 911 Carrera RSR Turbo: Courtesy of Gooding & Company – ©Mathieu Heurtault Three historic turbocharged competition Porsches are to be presented at Gooding’s Amelia Island auction on 9 March 2018. The three race cars represent three important steps in Porsche’s history of turbocharged race car development. These are: Year Car Comment 1974 911 Carrera RSR 2.1 Turbo One of the most historic racing cars of all time 1976 Porsche 934 The Group 4 racer used by Porsche’s customers 1990 Porsche 962C The 962C was the most dominant of the Group C era 1976 Porsche 934: Courtesy of Gooding & Company – ©Brian Henniker 1990 Porsche 962C: Courtesy of Gooding & Company – ©Mike Maez No Subscription? You’re missing out Get Started Already a Member? Sign in to your account here.