Sun Red SR21

Sun Red SR21
Category	International GT Open GTA (2007-2008) ; International GT Open Super GT (2009)
Constructor	Sunred Engineering
Predecessor	none
Successor	Sun Red SRX
Technical specifications
Chassis	Steel tube chassis ; Closed carbon fiber bodywork
Suspension (front)	Double wishbone
Suspension (rear)	Double wishbone
Length	4920mm
Width	2000mm
Axle track	Front: 1230mm ; Rear: 990mm
Wheelbase	2720mm
Engine	Judd GV4 4.000cc V10 N/A Mid-engined
Transmission	Hewland 6-speed sequential
Weight	1,140 kilograms (2,510 lb)
Tyres	Dunlop
Competition history
Notable entrants	SUNRED
Notable drivers	Peter Terting (2007); Juan Ramon Zapata (2007); Víctor Fernández (2007-2009); Jordi Gené (2007); Lluis Llobet(2007-2009) ; E. J. Viso (2007); Óscar Fernández (2008-2009) ; José-Manuel Perez-Aicart (2008) ; Matteo Cressoni (2009) ; Éric Cayrolle (2009) ; Ferran Monje (2009) ; Isaac Tutumlu (2009) ; Sintu Vives (2009)

Last updated August 28, 2025

The Sun Red SR21 is a Spanish-made sportscar which competed in the International GT Open between 2007 and 2009.

Racing history

2007

The design for the Sun Red SR21 was based on the Hispano-Suiza HS21 concept car.^[1] The SR21 was built under FIA GT2 specifications, although it was never an homologated as such due to it not being a production GT car.

Manufacturer Sunred Engineering entered the car in the 2007 International GT Open season. The car was driven the full season by Juan Ramon Zapata and was joined by different guest drivers each race weekend. Zapata achieved 2 podium finishes in 12 races. Zapata was placed 14th in the final standings.^[2]

2008

Óscar Fernández and José-Manuel Perez-Aicart drove the full-time entry in the 2008 International GT Open season. Their best result was a third place during the final raceweekend at Circuit de Catalunya.^[3] The duo was placed 15th in the final standings.

2009

For the 2009 International GT Open season Sunred Engineering entered 2 SR21's. The number 14 car was driven by Víctor Fernández and Lluis Llobet, the number 15 car was driven by Óscar Fernández and Matteo Cressoni. The GTA class was renamed Super GT. The season was no success with only the number 15 car scoring points and ending 13th in the championship. At the end of the season the SR21 was retired.

References

↑ "2007 Sun-Red SR21". Supercars.net. Retrieved 27 May 2013.
↑ "International GT Open GTA 2007". DriverDB.com. Retrieved 28 May 2013.
↑ "José-Manuel Perez-Aicart - Race results". DriverDB.com. Retrieved 28 May 2013.

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[1] "2007 Sun-Red SR21". Supercars.net. Retrieved 27 May 2013.

[2] "International GT Open GTA 2007". DriverDB.com. Retrieved 28 May 2013.

[3] "José-Manuel Perez-Aicart - Race results". DriverDB.com. Retrieved 28 May 2013.

[1]

[2]

[3]

Technical specifications
Category	International GT Open GTA (2007-2008) International GT Open Super GT (2009)
Constructor	Sunred Engineering
Predecessor	none
Successor	Sun Red SRX
Chassis	Steel tube chassis Closed carbon fiber bodywork
Suspension (front)	Double wishbone
Suspension (rear)	Double wishbone
Length	4920mm
Width	2000mm
Axle track	Front: 1230mm Rear: 990mm
Wheelbase	2720mm
Engine	Judd GV4 4.000cc V10 N/A Mid-engined
Transmission	Hewland 6-speed sequential
Weight	1,140 kilograms (2,510 lb)
Tyres	Dunlop
Competition history
Notable entrants	SUNRED
Notable drivers	Peter Terting (2007) Juan Ramon Zapata (2007) Víctor Fernández (2007-2009) Jordi Gené (2007) Lluis Llobet(2007-2009) E. J. Viso (2007) Óscar Fernández (2008-2009) José-Manuel Perez-Aicart (2008) Matteo Cressoni (2009) Éric Cayrolle (2009) Ferran Monje (2009) Isaac Tutumlu (2009) Sintu Vives (2009)