There were many announcements prior to the race, Brabham announced they would use Yamaha engines for 1991, Footwork also announced a Porsche engine deal for 1991 and they also retained both drivers in Alex Caffi and Michele Alboreto.
Houbo moitos anuncios antes da carreira, Brabham anunciou que utilizaría os motores de Yamaha para 1991, Footwork tamén anunciou un motor Porsche para 1991 e tamén que ambos pilotos Alex Caffi e Michele Alboreto seguían.