Group Rally4

Last updated
Group Rally4
2021 Barum Czech Rally Zlin - Laszlo.jpg
Motor racing formula
Category Rallying
Country/RegionInternational
ChampionshipsWRC, Regional, National
Inaugural2019 (2008 as R2)
StatusActive
DrivetrainTwo Wheel Drive
Power to weight5.1kg/hp
AptitudePerformance

Group Rally4 is a technical specification of rally car determined by the FIA for use in its international competitions: World Rally Championship (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 initiative to reorganise the classes of car and championships in international rallying was approved in June 2018. [1]

Contents

The formula for Group Rally4 cars was taken from R2 class of Group R 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. [2] 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.

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, with all the components and changes that make it a Group Rally4 car homologated in an extension. [2] They have a power to weight ratio of 5.1kg/hp. [1]

Key Specific Regulations for Cars in Group Rally4 [2]
Class(Group R

legacy class)

DrivetrainMinimum

Weight

Engine

Capacity

AspirationFuelMaximum

Cylinders

Turbo

Restrictor

Wheels

Gravel

Wheels

Asphalt

Production

Requirement

Ra4BR2B2WD1080 kg1390-1600ccNormalPetrol630mm6"x15"6.5"x16"

or

7"x17"

2500
927-1067ccTurbo
Ra4CR2C1600-2000ccNormal7"x17"
1067-1333ccTurbo

FIA Competition

Rally4 cars are placed in FIA 'RC4' sporting class alongside R3 and Group A cars. [3]

Eligibility in FIA WRC Championships 2023
ClassGroupWRCMTWRC2WRC3MastersJunior
RC4Rally4Yes check.svgYes check.svg
Eligibility in FIA Regional Championships 2023
ClassGroupALLERCERTARCMERCAPRCNACAMCODASUR
AbsoluteTeamsERC3ERC4JunJunARC2ARC3ARC4JunMERC2MERC3MERC4JunAPRC3APRC4JunNAC3NAC4JunCOD2COD3COD4
RC4Rally4Yes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svgYes check.svg

Cars

ManufacturerCarDebutHomologation BasisImage
Flag of the United Kingdom.svg Ford Fiesta Rally4 [4] 2019FIA - A5775
Fiesta ST-Line (Fiesta Mk7)
999cc Turbo
Rally Poland 2021 Amaury Molle 01.jpg
Flag of the United Kingdom.svg Ford Fiesta R2T 2015FIA - A5762
Fiesta 1.0 Ecoboost 140 PS (Fiesta Mk7)
999cc Turbo
Ford Fiesta R2 - Roland Poom.jpg
Flag of the United Kingdom.svg Ford Fiesta R2 2012FIA - A5729
Fiesta 1.6 (Fiesta Mk6)
1597cc Normal
WRCweekend2011 (5569785631).jpg
Flag of Germany.svg Opel Corsa Rally4 [5] 2021FIA - A5781
Opel Corsa GS Line 130
1204cc Turbo
Rally Poland 2021 Lukasz Lewandowski.jpg
Flag of Germany.svg Opel Adam R2 2014FIA - A5752
Adam Slam 3-Door Hatchback
1398cc Normal
Rally Poland 2021 Damian Lata.jpg
Flag of France.svg Peugeot 208 Rally4 [6] 2020FIA - A5780
208 GT Line 130
1204cc Turbo
Rally Poland 2021 Norbert Maior.jpg
Flag of France.svg Peugeot 208 R2 2012FIA - A5743
208 VTI 125 3 Portes
1598cc Normal
Rajd Polski - 2018 Catie Munnings 02.jpg
Flag of France.svg Renault Clio Rally4 [7] 2021FIA - A5779
Clio R.S. Line TCE 1.3EDC
1331cc Turbo
Rally Poland 2021 Ola Nore Jr.jpg
Flag of France.svg Renault Twingo R2 2010FIA - A5731
Twingo "Renault Sport"
1598cc Normal
2013 Rallye Sunseeker (10366877384).jpg
Flag of the Czech Republic.svg Škoda Fabia R2 2011FIA - A5737
Fabia 1.6 16v
1598cc Normal
2014 Rally Bohemia - Triner.jpg
Flag of Portugal.svg Kia Rio Rally4 [8] 2021FIA - none

Built by CRM Motorsport Approved for use in national championships [9]

Flag of Italy.svg Lancia Ypsilon Rally 4 HF [10] 2025
Source: FIA Homologation List 2021 [11]

See also

Related Research Articles

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The World Rally Championship is an international rallying series owned and governed by the FIA. Inaugurated in 1973, it is the second oldest of the FIA's world championships after Formula One. Each season lasts one calendar year, and separate championship titles are awarded to drivers, co-drivers and manufacturers. There are also two support championships, WRC2 and WRC3, which are contested on the same events and stages as the WRC, but with progressively lower maximum performance and running costs of the cars permitted. Junior WRC is also contested on five events of the World Rally Championship calendar.

<span class="mw-page-title-main">Junior WRC</span> Rallying competition for drivers under 29

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<span class="mw-page-title-main">Group R</span> FIA racing car classification for production-derived cars

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<span class="mw-page-title-main">Ford Fiesta Rally4</span> Ford Rally4 rally car

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<span class="mw-page-title-main">Ford Fiesta Rally3</span> Ford Rally3 rally car

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<span class="mw-page-title-main">Renault Clio Rally4</span> Renault Rally4 rally car

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<span class="mw-page-title-main">Renault Clio Rally5</span> Renault Rally5 rally car

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<span class="mw-page-title-main">Renault Clio Rally3</span> Renault Rally3 rally car

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References

  1. 1 2 "FIA Rally Car Pyramid Brochure February 2021" (PDF).
  2. 1 2 3 "Specific Regulations for Cars in Group Rally5/Rally4/Rally3" (PDF).
  3. "FIA Regional Rally Sporting Regulations 2021" (PDF).
  4. "FIESTA RALLY4". M-Sport. Retrieved 2020-12-12.
  5. "Opel Corsa Rally4 on the Start Line | Media OPEL International". int-media.opel.com. Retrieved 2020-12-12.
  6. "PEUGEOT 208 Rally 4… Time for action! | Media Peugeot Sport". media.peugeot-sport.com. Retrieved 2020-12-12.
  7. "Clio Trophy France - Communiqués de presse - Clio Rally4, née pour gagner - renaultsport.com". Renault Sport (in French). Retrieved 2021-01-18.
  8. Shacki. "eWRC-results.com - rally database". eWRC-results.com. Retrieved 2022-10-06.
  9. "Kia Rio Rally4 regessa no Rally Vidreiro: "continuar a evoluir o carro" | AutoSport". www.autosport.pt. Retrieved 2022-10-06.
  10. "Il marchio torna alle corse con la Ypsilon Rally 4 HF". quattroruote.it. quattroruote.it. 27 May 2024. Retrieved 27 May 2024.
  11. "FIA Homologation List 2021" (PDF).