Aston Martin has long used the Vantage as its entry into GT4-spec racing, putting the car through multiple revisions and decades worth of racing history. The current-spec GT4 made its debut in the 2019 24 Hours of Nurburgring, where a factory-prepared entry took the SP8T class win by four laps. The next year, KohR Motorsports gave the Vantage GT4 its first IMSA Michelin Pilot Challenge Grand Sport...