Ayrton Senna took pole position in his Lotus - Renault with a time of 1:27.327, with Keke Rosberg alongside him on the front row in the Williams - Honda . For Senna it would be the first of seven consecutive pole positions at Imola, a run which ended in 1992 .
Filling the second row were Elio de Angelis in the second Lotus and Michele Alboreto in the Ferrari . Belgian Thierry Boutsen was a surprise 5th fastest in the Arrows - BMW , ahead of the McLaren - TAG of Alain Prost . In his second race for Ferrari, Johansson qualified 15th.