Nigel Mansell and Ayrton Senna started 139 races together. Senna finished ahead 64 times to Mansell's 50. In qualifying: Senna was quicker 82 times to Mansell's 57. Nigel Mansell has 31 wins and 1 title from 191 starts; Ayrton Senna has 41 wins and 3 titles from 162 starts.