Renault 21 Turbo 4x4 Superproduction Race Car in action at Goodwood Festival of Speed!

A couple of months ago I shared with you a video about a R21 Europa Car, a machine built by Renault in order to be race in their own one-make series: the Europa Cup. Now I’m sharing with you a brief video about the ultimate Renault 21 ever built: the Superproduction/SuperTourisme. The project was launched in late 1987 and its race debut was in March 1988. The car was based on the street-legal 4WD Renault 21 (called ’Quadra’) but all its technical characteristics were new. The Superproduction saw an all-new turbocharged 4-cylinders engine producing 430 hp that could reach up to 290 km/h. Other innovations included a blow-off valve derived from F1 and a carbon fibre driveshaft taken from the Espace Quadra and wind tunnel tests resulted in highly effective solutions for the car’s aerodynamics. A meticulous study of all the vehicle’s technical specifications made the 2-litre 4x4 R21 the best car of the 1988 season. Over the course of the 1988 season, six of the 10 calendar races were won, w