During his test for Williams at the 3.149-km (1.957-mi) Donington Park circuit, Senna completed 40 laps and was quicker than the other drivers, including Williams's reigning World Champion Keke Rosberg.
Durante a súa proba para Williams de 3.149 quilómetros no circuíto de Donington Park, Senna completou 40 voltas e foi máis rápido que os outros pilotos, incluíndo o Williams do campión do mundo Keke Rosberg.