THE CONCEPT
Two 15min-qualifying sessions and two 45-min races with a compulsory pit stop are held each weekend in the Iberian Peninsula's popular GT4 and TCR combo, giving drivers and teams plenty of track time throughout practice, qualifying, and racing.
The calendar comprises four events, visiting emblematic circuits from Spain and Portugal like Circuito de Madrid Jarama, Circuito de Jerez, Autódromo Internacional do Algarve and Circuito do Estoril.
FIA categorization system for GT classes and single tire supplier by Pirelli are part of the success of this formula.

TCR homologated cars:
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Alfa Romeo Giulietta TCR
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Audi RS3 LMS TCR
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Cupra León TCR
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Cupra León Competition
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Opel Astra TCR
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Fiat Tipo TCR
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Honda Civic Type R TCR
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Hyunday i30 N TCR
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Hyunday Elantra N TCR
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KIA Cee'd TCR
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Lada Vesta TCR
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Lynk & Co 03 TCR
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MG 6 XPower TCR
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MG 5 XPower TCR
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Peugeot 308 TCR & RC
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Renault Megane R.S. TCR
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Seat León TCR & Cup Racer
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Subaru WRX STi TCR
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Volkwagen Golf GTI TCR
GT4 homologated cars:
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Alpine A110 GT4
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Aston Martin Vantage GT4
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Audi R8 LMS GT4
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BMW M4 GT4 (F82)
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BMW M4 GT4 (G82)
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Chevrolet Camaro GT4
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Ford Mustang GT4
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Ginetta G55 GT4
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KTM X-Bow GT4 EVO
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McLaren Artura GT4
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McLaren 570S GT4
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Mercedes AMG GT4
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Porsche 718 Cayman Clubsport GT4
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SIN R1 GT4
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Toyota GR Supra GT4
GTC eligible cars:
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Aston Martin Vantage N24
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BMW M2 CS Racing
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BMW M3 GT4
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Ginetta G50 GT4
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Ferrari 430 Challenge
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KTM X-Bow GT4
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Lotus Exige Cup
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Porsche 911.1 GT3 Cup
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Porsche 997 GT3 Cup
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Porsche 981 Cayman GT4
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Alpine A110 Cup
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Ligier J2R Cup
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any other car approved by the promoter
TC eligible cars:
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BMW M235i Cup
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Peugeot 308 Cup
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Peugeot RCZ Cup
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SEAT León MK2
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FIAT Abarth
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Mini JCW Challenge
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Renault Clio Cup
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Skoda Octavia Cup
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Volkswagen Scirocco GT24
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any other car approved by the promoter