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In relation to motorsport governed by the Fédération Internationale de l'Automobile, Group R refers to a set of regulations providing production-derived vehicles for rally competition. The Group R regulations were gradually introduced from 2008 as a replacement for Group A and Group N rally cars.[1][2]
To comply with Group R regulations, a car must first be homologated in Group A (or in some cases Group N) and receive one or more VR extensions. Each VR extension is a set of homologated parts and modifications, designed and sold (as a kit or as a complete car) by the manufacturer.
As part of its structure, the Group R regulations have a provision for GT cars, known as R-GT.[3][4][5]
- ^ "Specific regulations for cars in Groups R" (PDF). FIA.com. Fédération Internationale de l'Automobile. 19 May 2012. Retrieved 23 August 2012.
- ^ Elizalde, Pablo (13 August 2012). "Toyota unveils entry-level WRC Yaris". Autosport.com. Haymarket Publications. Retrieved 23 August 2012.
Toyota said the car will be able to compete in the World Rally Championship under the R1A regulations once it is homologated by the FIA before the end of the year.
- ^ "Specific Regulations for GT Production Cars" (PDF). FIA.com. Fédération Internationale de l'Automobile. 19 May 2012. Retrieved 23 August 2012.
- ^ Paur, Jason (23 December 2011). "Lotus Shakes Down Its Rally-Spec Exige". Autopia. Wired. Retrieved 23 August 2012.
- ^ Holmes, Martin (19 December 2011), The Return of the Rallying Sports Car, archived from the original on 26 April 2012, retrieved 23 August 2012