No.Grand PrixCircuitPoleWinner
1Brazil Jacarepagua Ayrton Senna • McLaren Nigel Mansell • Ferrari
2San Marino Imola Ayrton Senna • McLaren Ayrton Senna • McLaren
3Monaco Monaco Ayrton Senna • McLaren Ayrton Senna • McLaren
4Mexico Mexico City Ayrton Senna • McLaren Ayrton Senna • McLaren
5USA Phoenix Ayrton Senna • McLaren Alain Prost • McLaren
6Canada Montréal Alain Prost • McLaren Thierry Boutsen • Williams
7France Le Castellet Alain Prost • McLaren Alain Prost • McLaren
8Britain Silverstone Ayrton Senna • McLaren Alain Prost • McLaren
9Germany Hockenheim Ayrton Senna • McLaren Ayrton Senna • McLaren
10Hungary Hungaroring Riccardo Patrese • Williams Nigel Mansell • Ferrari
11Belgium Spa-Francorchamps Ayrton Senna • McLaren Ayrton Senna • McLaren
12Italy Monza Ayrton Senna • McLaren Alain Prost • McLaren
13Portugal Estoril Ayrton Senna • McLaren Gerhard Berger • Ferrari
14Spain Jerez de la Frontera Ayrton Senna • McLaren Ayrton Senna • McLaren
15Japan Suzuka Ayrton Senna • McLaren Alessandro Nannini • Benetton
16Australia Adelaide Ayrton Senna • McLaren Thierry Boutsen • Williams

Engines

3.5 L atmospheric, up to 12 cylinders.

Points System

9-6-4-3-2-1 points for the top 6 places.
Best 11 results count toward Drivers' championship.
All results count towards Constructors' championship.
Half points are awarded for races stopped before three-quarter-distance was completed.
Second drivers of teams that officially entered only one car are not eligible for points. Their points are not redistributed.

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This season on Wikipedia.