GREATEST RACES #23: An F1 title decided by just half a point – 1984 Portuguese Grand Prix

To mark F1's 75th anniversary celebrations, F1.com is counting down the sport's 25 greatest races with a new feature every week. While you may not agree with the order, we hope you enjoy the stories of these epic races that have helped make this sport what it is today. You can read the introduction to the series and see the list of races here.

At No. 23, David Tremayne looks back on the 1984 Portuguese Grand Prix, the final race of that season, as McLaren team mates Niki Lauda and Alain Prost's title battle was decided by the smallest points margin in F1 history...

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