Mercedes-Benz won in 1989, with what was seen as the latest incarnation of the elegant "Silver Arrows", the Sauber C9, while an influx of Japanese manufacturer interest saw prototypes from Nissan and Toyota.
Mercedes-Benz gañou en 1989, co que foi considerado como a última encarnación da elegancia "Frechas de Prata", o Sauber C9, mentres o interese dos fabricantes xaponeses trouxo prototipos de Nissan e Toyota.