Group Q - Historic Racing and Sports Racing Cars
Racing and sports racing cars with a competition history established between 1970 and 1977, and for cars excluded from classification in earlier historic groups because of the nature of the aerodynamic devices with which they are fitted.

Group R - Historic Racing and Sports Racing Cars
Racing, sports racing, and clubman sports cars with a competition history established between 1978.
1983 Lola T700 Indy Car1975 Chevron B29 F2