McLaren v Aston Martin v Porsche v Ginetta
GT4 racers fight it out at Silverstone; Mclaren 570S GT, Aston Martin Vantage GT4, Porsche Cayman GT4, and Ginetta GS
GT4 racers fight it out at Silverstone; Mclaren 570S GT, Aston Martin Vantage GT4, Porsche Cayman GT4, and Ginetta GS