The introduction of the new R4 rules developed and homologated by the Oreca company in France and formalised last year by the FIA has led to a spate of new model rally cars entering the sport around the world.
These rules adopt the same philosophy as the Argentine Maxi Rally rules and the antipodean AP4 rules, in which only specific components (as opposed to whole cars) are homologated, allowing identical equipment to be installed in a wide range of cars.
Among the models reported to have been built or are being prepared under these rules are Toyota Etios, Fiat MR500X, Hyundai i20, Dacia Sandero, Renault Clio, Mini Cooper S, Toyota Yaris, Suzuki Swift, Skoda Fabia, and recently the Audi A1.
Note that these R4 rules have no connection with the FIA’s rules (under the same name!) for modified versions of the old Group N cars!
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