Alain Prost wins third world title after colliding with McLaren team-mate Ayrton Senna at Suzuka, following a season-long feud • Ferrari becomes the first team to use a semi-automatic electronic gearbox with its John Barnard-designed 640 • Nigel Mansell wins on his Ferrari debut at Rio • Jean Alesi makes spectacular F1 debut for Tyrrell en route to the F3000 crown • Renault wins Canadian Grand Prix in its first season back in F1 as Williams' engine supplier • Jochen Mass, Manuel Reuter and Stanley Dickens take Mercedes to victory at Le Mans • Ari Vatanen's Pikes Peak victory is immortalised in the short film 'Climb Dance' • Miki Biasion wins his second World Rally title • Emerson Fittipaldi wins dramatic Indy 500 after colliding with Al Unser Jr on the penultimate lap • David Coulthard becomes the first recipient of the McLaren AUTOSPORT BRDC Award
- Alain Prost wins his third world championship after colliding with Ayrton Senna at Suzuka
- Jochen Mass, Manuel Reuter and Stanley Dickens win the Le Mans 24 Hours for Sauber
- Miki Biasion wins his second consecutive World Rally title
- Nigel Mansell wins on his Ferrari debut at Jacarepagua
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