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

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.