International GT Open | Portimao 2023
Portugal, 29 - 30 April 2023
International GT Open | Portimao 2023
Saturday 29 - Sunday 30 April 2023
International GT Open
The International GT Open was created in 2006 by GT Sport, who has been the official organizer for a decade of the Spanish GT and F3 championships, now known as F3 Open.
In 2011 the serie will enter its sixth edition, having enjoyed a growing success in terms of excellence and quality of entries, interest raised, exposure and geographical expansion.

Entries
| No. | Class | Car | Entrants |
|---|---|---|---|
| 5 | AM | 2021 Ferrari 488 GT3 | 2021 Ferrari 488 GT3 |
| 007 | AM | 2019 Aston Martin GT3 AMR | 2019 Aston Martin GT3 AMR |
| 8 | AM | Lamborghini Huracan GT3 EVO | Lamborghini Huracan GT3 EVO |
| 10 | AM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 11 | PROAM | Ferrari 488 GT3 EVO | Ferrari 488 GT3 EVO |
| 17 | PRO | 2020 Mercedes-Benz AMG GT3 | 2020 Mercedes-Benz AMG GT3 |
| 19 | PRO | Lamborghini Huracan GT3 EVO2 | Lamborghini Huracan GT3 EVO2 |
| 20 | PRO | Mercedes-Benz AMG GT3 | Mercedes-Benz AMG GT3 |
| 22 | PROAM | 2021 Mercedes-Benz AMG GT3 EVO | 2021 Mercedes-Benz AMG GT3 EVO |
| 23 | PRO | Audi R8 LMS GT3 Evo II | Audi R8 LMS GT3 Evo II |
| 25 | AM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 26 | PROAM | Ferrari 296 GT3 | Ferrari 296 GT3 |
| 27 | PROAM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 32 | PROAM | Lamborghini Huracan GT3 EVO2 | Lamborghini Huracan GT3 EVO2 |
| 33 | PROAM | Lamborghini Huracan GT3 EVO2 | Lamborghini Huracan GT3 EVO2 |
| 38 | PROAM | Ferrari 488 GT3 EVO | Ferrari 488 GT3 EVO |
| 51 | PRO | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 54 | PROAM | Mercedes-Benz AMG GT3 | Mercedes-Benz AMG GT3 |
| 55 | PROAM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 61 | AM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 63 | PRO | Lamborghini Huracan GT3 EVO2 | Lamborghini Huracan GT3 EVO2 |
| 65 | AM | Mercedes-Benz AMG GT3 | Mercedes-Benz AMG GT3 |
| 66 | PROAM | McLaren 720S GT3 | McLaren 720S GT3 |
| 69 | PRO | McLaren 720S GT3 | McLaren 720S GT3 |
| 77 | PRO | 2023 Mercedes-Benz AMG GT3 | 2023 Mercedes-Benz AMG GT3 |
| 80 | PRO | Audi R8 LMS Evo II | Audi R8 LMS Evo II |
| 84 | PROAM | McLaren 720S GT3 | McLaren 720S GT3 |
| 88 | AM | 2020 Ferrari 488 GT3 | 2020 Ferrari 488 GT3 |
| 91 | AM | Ferrari 488 GT3 EVO | Ferrari 488 GT3 EVO |
| 99 | PRO | Porsche 991.2 GT3 R | Porsche 991.2 GT3 R |
| 777 | PROAM | 2020 Mercedes-Benz AMG GT3 | 2020 Mercedes-Benz AMG GT3 |
| 786 | AM | 2023 Mercedes-Benz AMG GT3 | 2023 Mercedes-Benz AMG GT3 |
| 911 | PROAM | 2023 Mercedes-Benz AMG GT3 | 2023 Mercedes-Benz AMG GT3 |