Chris Hemsworth and Daniel Brühl weren't allowed to drive real Formula 1 cars so they had to use Formula 3 vehicles with fake F1 bodywork instead.
When Niki Lauda first saw the film he said "Sh*t! That's really me."
The 1976 James Hunt/Niki Lauda race depicted in the film, was the last Formula One event staged on Germany's notorious Nürburgring Nordschleife (North Loop), since the lap was deemed far too hazardous.
On the occasion of his 60th birthday, in an interview with Austrian Times, Niki Lauda stated that a journalist asking him how his injured face affected his marriage was the biggest insult he had to suffer in his life.
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