Group Rally4 is a technical specification of

rally car Rallying is a wide-ranging form of motorsport with various competitive motoring elements such as speed tests (sometimes called "rally racing" in United States), navigation tests, or the ability to reach waypoints or a destination at a prescribed ...

determined by the FIA for use in its international competitions:

World Rally Championship The World Rally Championship (abbreviated as WRC) is an international rallying series owned and governed by the Fédération Internationale de l'Automobile, FIA. Inaugurated in 1973, it is the oldest FIA world championship after Formula One. E ...

(WRC) and regional championships. National rallying competitions also allow Group Rally4 cars to compete. There are two technical subclasses of Group Rally4 however these do not affect competitive eligibility. 'Rally4' may be used alone with the same definition. The group was launched in 2019 after the introduction of the

Rally Pyramid The FIA Rally Pyramid is the collective description and organisation of championships, car performance classes and driver aptitude in international rallying. In 2019 the FIA rally commission presented a radical overhaul to the rally pyramid to in ...

initiative to reorganise the classes of car and championships in international rallying was approved in June 2018. The formula for Group Rally4 cars was taken from R2 class of

Group R 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 Rallying, rally competition. The Group R regulations were gradually introduce ...

and tweaked with the defining ruleset interchanging the terms, this meant that any existing R2 car homologated or approved since their introduction in 2008 could continue to be used in Rally4 level competition. However, R2 cars homologated prior to 2019 were not required to have a turbo restrictor fitted and remain exempt. Those of R2B class cars also retain the minimum weight of 1030 kg and must use 6.5"x16" on asphalt rallies. In July 2024, the FIA announced slightly modified Group Rally4 cars will be eligible to race in circuit

touring car racing Touring car racing is a motorsport road racing competition that uses race-prepared touring cars. It has both similarities to and significant differences from stock car racing, which is popular in the United States. While the cars do not move a ...

under the name of TCL4 from 2025.

Definition

Group Rally4 cars are defined in FIA document Appendix J - Article 260 as ''Touring Cars or Large Scale Series Production Cars, supercharged Petrol engine (including rotary engines), 2-wheel drive (front or rear wheel drive))''. A production touring car with at least 2500 identical units manufactured must be homologated in

Group A Group A is a set of motorsport regulations administered by the FIA covering production derived touring cars for competition, usually in touring car racing and rallying. In contrast to the short-lived Group B and Group C, Group A vehicles wer ...

, with all the components and changes that make it a Group Rally4 car homologated in an extension. They have a power to weight ratio of 5.1kg/hp.

FIA Competition

Rally4 cars are placed in FIA 'RC4' sporting class alongside R3 and

cars.

Cars

References

External links

* {{Rally Pyramid cars Rally Pyramid Rally groups

Definition

FIA Competition

Cars

See also

References

External links