Claim: The 2020 24 Hours of Portimão, which was participated by a total of 15 cars, was joined by the Herberth Motorsport with their Porsche 911 GT3 R of and also the Winward Motorsport with their Mercedes-AMG GT3.
Evidence: A total of fifteen cars were entered for the event; 9 GT and 6 TCE cars. Porsche 911 GT3 R (2019) Germany Herberth Motorsport Mercedes-AMG GT3 (2019) Germany HTP Winward Motorsport