Group GT3
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Group GT3
The start of an ADAC GT Masters race, featuring several Group GT3 manufacturers

Group GT3, known technically as Cup Grand Touring Cars[1] and commonly referred to as simply GT3, is a set of regulations maintained by the Fédération Internationale de l'Automobile (FIA) for grand tourer racing cars designed for use in various auto racing series throughout the world. The GT3 category was initially created in 2005 by the SRO Group as a third rung in the ladder of grand touring motorsport, below the Group GT1 and Group GT2 categories which were utilized in the SRO's FIA GT Championship, and launched its own series in 2006 called the FIA GT3 European Championship. Since then, Group GT3 has expanded to become the de facto category for many national and international grand touring series, although some series modify the ruleset from the FIA standard. By 2013, nearly 20 automobile manufacturers have built or been represented with GT3 machines.

Group GT3 allows for a wide variety of car types to be homologated with almost no limit on engine sizes and configurations or chassis construction or layout. GT3 cars must be based on mass production road car models that are being built and sold at the time of homologation. Performance of all the Group GT3 cars are regulated, either by the GT Bureau of the FIA or by a series' specific ruling body, through Balance of Performance formulae that adjusts limits on horsepower, weight, engine management, and aerodynamics to prevent a single manufacturer from becoming dominant in the class. The cars in GT3 are designed to have a weight between 1200 kg and 1300 kg (2645 lbs and 2866 lbs) with horsepower between 500 hp and 600 hp. All cars have a very similar power to weight ratio but achieved either by high power and high weight such as the Mercedes-Benz SLS AMG[2] or low power and low weight such as the Porsche 911 GT3.[3] GT3 cars also have traction control, ABS, and built-in air jacks for quick pit stops.

History

The concept behind Group GT3 was introduced by Stéphane Ratel, head of the SRO Group and promoter of the FIA GT Championship in 2005.[4] The Group GT1 and Group GT2 cars in the FIA GT Championship required manufacturers to build a car based on regulations, and then develop that car to increase its performance, thus increasing the cost for the manufacturers and the customers wanting to race the cars. GT3 was envisioned as a category that would simplify the process by combining several existing cars from one-make series, such as the Porsche Supercup or Ferrari Challenge, as well as other race cars available from manufacturers that did not fit in GT1 or GT2, such as the Aston Martin DBRS9 or Dodge Viper Competition Coupe, and allow them to all compete on a level playing field through strict control of their performance by the FIA. This would allow drivers a bridge between smaller national series and the professional international FIA GT Championship.[5] Further, the category was conceived to use sprint formats for races, but manufacturers could develop and sell an upgrade kit for their cars to allow GT3 cars to be used in endurance races. A similar category, under the same name, had been in use in the British GT Championship which the SRO Group also organized.

The regulations and homologations for Group GT3 were prepared by the FIA and ready by the start of the 2006 season, with eight manufacturers represented as the first Balance of Performance test prior to the debut of the FIA GT3 European Championship.[6] The British GT Championship, International GT Open, Spanish GT Championship, and Italian GT Championship all created a category specifically for the FIA's new Group GT3 machines. The SRO Group expanded the category in 2007 with the launch of two new regional championships, the Brazilian GT Championship and the German ADAC GT Masters, exclusively running Group GT3 cars. The British GT Championship abandoned Group GT2 cars, promoting GT3 to their premiere category, while the Belcar series reorganized their class structure to introduce GT3 as their lead class. The French FFSA GT Championship also added a new GT3 category.

The Australian GT Championship brought on board the GT3 category in 2008 while the VLN Series and 24 Hours Nürburgring added GT3 categories in 2009. By 2011 Group GT3 was expanding into endurance racing with the formation of the Blancpain Endurance Series as well as winning overall at the Bathurst 12 Hour, Dubai 24 Hour, Malaysia Merdeka Endurance Race, and Spa 24 Hours, followed by a 24 Hours Nürburgring victory in 2012. Group GT3 also expanded to the United States with the Rolex Sports Car Series allowing several GT3 cars with specification wings, as well as the Japanese Super GT and Super Taikyu Series, while Nissan became the first Japanese manufacturer to sell a GT3 car. GT3 category cars also replaced Group GT1 cars in the FIA GT1 World Championship before rebranding as the FIA GT Series in 2013. After NASCAR merged their Grand-Am Rolex Sports Car Series with IMSA's American Le Mans Series, the new United SportsCar Championship allowed more types of GT3 cars to join the GTD category, and in 2016 limited the category to only GT3 spec machines.

On 9 March 2018, it was announced that the FIA World Motor Sport Council approved the introduction of a new process, in which a minimum production number required for GT3 race cars would be enforced. Ten units must be made within twelve months as from the homologation date, twenty units must be made within twenty-four months and so on.[7] Following dwindling manufacturer support for their Class One regulations, the Deutsche Tourenwagen Masters (DTM) series will switch to the GT3 formula in 2021, abandoning its touring car origins.[8]

Homologated cars

As of October 2020, 52 vehicles have gone through the homologation process with the FIA, although some of these homologations failed to be completed or were later revoked.[9] Homologations expire after a period of seven years unless a request for extension is made by the manufacturer. Currently, all homologations prior to GT3-025 have expired and not been renewed, although these expired cars are allowed to compete in national series under local approval.

Group GT3 cars can be built either directly by the automotive manufacturer or built by racing teams and tuning companies at the behest of the manufacturer. Other vehicles have been allowed to run alongside Group GT3 cars in various series under homologations from national ruling bodies, including the Mosler MT900R GT3, Ginetta G55 GT3, Chevron GR8 GT3, Radical RXC GT3, Scuderia Cameron Glickenhaus SCG 003, Emil Frey Jaguar XKR G3, Acura TLX-GT and Renault Sport R.S. 01 GT3.

Homologation Manufacturer Model Developer Photo Notes
GT3-001 Maserati Coupe GranSport Light Italtecnica
GT3-002 Dodge Viper Competition Coupe Oreca
Viper Comp Coupe.jpg
GT3-003 Aston Martin DBRS9 Prodrive
Aston Martin DBRS9.jpeg
GT3-004 Lamborghini Gallardo LP520 GT3 Reiter Engineering
2010 Macau Grand Prix 2839 (6708054227).jpg
GT3-005 Corvette Z06.R GT3 Callaway Cars
ADAC GT Masters Weekend - Sachsenring 2011 - Corvette Z06.jpg
GT3-006 Ascari KZ1-R GT3 Ascari
Ascari KZ1 GT3 of Darren Berry.jpg
GT3-007 Porsche 911 GT3 Cup Porsche Motorsport
Farnbacher-Loles Porsche.JPG
997 generation 911 GT3, 2006 model only
GT3-008 Venturi GT3 Heritage Venturi
GT3-009 Ferrari F430 GT3 Kessel Racing
Ferrari F430 GT3 of Brenton Griguol.JPG
GT3-010 Ford Racing Mustang FR500C GT Multimatic Motorsports
Ford Mustang GT3 Spa 2009.JPG
GT3-011[10] Ford GT GT3 Matech Concepts Homologation rescinded, replaced by GT3-016
GT3-012[10] Jaguar XKR GT3 Apex Motorsport
2007 GFoS - Jaguar XK.jpg
Homologation failed
GT3-013 Morgan Aero 8 GT3 AutoGT Racing
Morgan Aero 8 GT3 Nr31 Oschersleben2008.jpg
GT3-014 Lotus Exige GT3 Lotus Sport
Lotus Exige GT3 - Flickr - exfordy.jpg
GT3-015 Porsche 911 GT3 Cup S Porsche Motorsport
Porsche 997 GT3 Cup S Nr36 Oschersleben2008.jpg
GT3-016 Ford GT GT3 Matech Concepts
Ford GT GT1 (7507565768).jpg
Engine design was changed from GT3-011
GT3-017 Audi R8 LMS Audi Sport
ZENT Audi R8 LMS 2012 Super GT Sugo free practice.jpg
Includes R8 LMS ultra
GT3-018 BMW Alpina B6 GT3 Alpina
AlpinaB6 Margaritis2011.jpg
GT3-019 Ferrari 430 Scuderia GT3 Kessel Racing
Ferrari 430 Scuderia GT3 Spa 2009.JPG
GT3-020 Dodge Viper Competition Coupe Series 2 Oreca
ADAC GT Masters Weekend - Sachsenring 2011 - Dodge Viper Competition Coupé - Vulkan Racing Mintgen Motorsport.jpg
GT3-021[10] Jaguar XKR-S GT3 Apex Motorsport
Jaguar XKR GT3 Mallory Park.JPG
Homologation failed
GT3-022 Morgan Aero Super Sport GT3 AutoGT Racing
2009 Morgan Aero Supersports GT3 - Flickr - exfordy (1).jpg
GT3-023 BMW Z4 GT3 BMW Motorsport
BMW Z4 GT1 (7507559598).jpg
GT3-024 Lamborghini Gallardo LP600+ GT3 Reiter Engineering
No.86 CRYSTALCROCO Lamborghini GT3 at 2014 SUPER GT SUZUKA TEST (3).JPG
Includes Gallardo FL2 GT3 and R-EX
GT3-025 Porsche 911 GT3 R Porsche Motorsport
Porsche race-Car Engelhart 3072 orig.jpg
997 generation 911 GT3
GT3-026 Corvette Callaway Z06.R GT3 Callaway Cars
Dijon Neon Callaway Wako's ED 2012 Super GT Sugo free practice.jpg
GT3-027[10] Ford Mustang VDS GT3 Marc VDS Racing Team Homologation failed
GT3-028 Mercedes-AMG SLS AMG GT3 Mercedes-AMG
Mercedes-Benz SLS AMG-GT3 2011 Motorsport Japan.jpg
GT3-029 Ferrari 458 Italia GT3 Ferrari Competizione GT
Ferrari spirit of race sebring 2014.jpg
GT3-030 Nissan GT-R Nismo GT3 Nismo
Nissan GT-R Nismo GT3 2015 Bathurst 12 Hour.jpg
GT3-031 McLaren MP4-12C GT3 McLaren GT
Hiroki Katoh 2014 Super GT Suzuka Q1.jpg
GT3-032 Aston Martin V12 Vantage GT3 Prodrive
Aston Martin Racing (10629650224).jpg
GT3-033 Chevrolet Camaro GT3 Sareni
Camaro GT3 of Tomas Enge.JPG
GT3-034 Maserati GranTurismo MC GT3 Swiss Team
GT3-035 Bentley Continental GT3 M-Sport
2013 Bentley Continental GT3 (19876352828).jpg
GT3-036 Dodge Viper GT3-R Riley Technologies
Cameron Lawrence - Riley Viper - Daytona January 2015.JPG
GT3-037 McLaren 650S GT3 McLaren GT
K-PAX Racing No. 9.jpg
GT3-038 Audi R8 LMS Audi Sport
No.21 Hitotsuyama Audi R8 LMS at 2019 Suzuka 300km (4).jpg
Second generation R8, includes R8 LMS Evo
GT3-039 Cadillac ATS-V.R GT3 Pratt & Miller
SLY 5740 (15811335906).jpg
GT3-040 Lamborghini Huracán GT3 Lamborghini Squadra Corse
Miguel Ramos, Barwell Motorsport Lamborghini Huracan GT3 Evo, 2019.jpg
Includes Huracán GT3 Evo
GT3-041 Porsche 911 GT3 R Porsche Motorsport
Campbell Olsen Werner 2019 Bathurst 12 Hour.jpg
991 generation 911 GT3
GT3-042 Mercedes-AMG GT3 Mercedes-AMG
No.4 GOODSMILE HATSUNEMIKU AMG after 2019 Suzuka 300km (1).jpg
Includes GT3 Evo
GT3-043 BMW M6 GT3 BMW Motorsport
BMW M6 GT3 of Steven Richards (2017).jpg
GT3-044 Ferrari 488 GT3 Ferrari Competizione GT
FoS20162016 0625 184204AA (27867699226).jpg
Includes GT3 Evo
GT3-045 Corvette Callaway C7 GT3-R Callaway Cars
Jules Gounon ADAC GT Masters 2017 champion.jpg
GT3-046 Toyota Lexus RC F GT3 Toyota Gazoo Racing
2017 ?GT300.jpg
GT3-047 Honda Acura NSX GT3 JAS Motorsport
Paris Motor Show 2018, Paris (1Y7A0992).jpg
Includes NSX GT3 Evo
GT3-048 Nissan GT-R Nismo GT3 Nismo
No.11 GAINER TANAX GT-R after 2019 Suzuka 300km (1).jpg
Second generation GT-R
GT3-049 Bentley Continental GT3 M-Sport
Bentley Speed 8 Jules Gounon 24H Spa 2019.jpg
Second generation Continental GT
GT3-050 Porsche 911 GT3 R Porsche Motorsport
IronForce by RING POLICE Porsche911 GT3 R 2019.jpg
991.2 generation 911 GT3
GT3-051 Aston Martin Vantage AMR GT3 Prodrive
BeechdeanAMR.png
Second generation Vantage
GT3-052 McLaren 720S GT3 McLaren Motorsport
720GT3.png

Series

Since 2006, Group GT3 cars have been either exclusive to or in a distinct class in each of the following series:

Bold indicates an active series that currently uses Group GT3 cars.

Additionally, the following series allow certain Group GT3 cars to participate alongside other competitors:

References

  1. ^ "Article 251 - 2012 Classification and Definitions" (PDF). Fédération Internationale de l'Automobile. 19 June 2012. Retrieved 2013.
  2. ^ "mercedes-benz-sls-amg-gt3".
  3. ^ "Porsche 911 GT3-R".
  4. ^ "A History of Racing Excellence". SRO Group. Archived from the original on 1 August 2013. Retrieved 2013.
  5. ^ "04/12/2005 Successful launch of FIA European GT3 Championship". FIA GT Championship. 12 April 2005. Retrieved 2013.
  6. ^ "Silverstone Supercar Showdown : FIA GT3 European Championship". FIA GT3 European Championship. 2006. Retrieved 2013.
  7. ^ "FIA Enforce Minimum Production Rates For GT3 Race Cars - Acting Against 'GT3 Prototypes'". dailysportscar.com. Dailysportscar. 9 March 2018. Retrieved 2018.
  8. ^ Thukral, Rachit (6 November 2020). "DTM to use spec GT3 cars for new era in 2021". Motorsport.com. Retrieved 2020.
  9. ^ "2019 Liste des Véhicules / N° Homologation" [List of Vehicles / Homologation Number] (PDF). Fédération Internationale de l'Automobile. 3 April 2019. Retrieved 2019.
  10. ^ a b c d "Appendix I - List of Eligible Vehicles" (PDF). Confederation of Australian Motor Sport. 9 June 2011. Retrieved 2016.[permanent dead link]

External links


  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

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