Gustav Brunner
The Toyota TF103 was the car with which the Toyota F1 team competed in the 2003 Formula One season. The chassis was designed by Gustav Brunner and René Hilhorst with Luca Marmorini designing the engine. Unveiled on January 8, 2003 at the Paul Ricard circuit, its drivers were the Frenchman Olivier Panis and Brazilian Cristiano da Matta, the reigning CART FedEx Championship Series Champion from 2002.