Alain Prost and Ayrton Senna started 142 races together. Prost finished ahead 69 times to Senna's 62. In qualifying: Senna was quicker 91 times to Prost's 51. They were teammates in 1988 and 1989. Alain Prost has 51 wins and 4 titles from 202 starts; Ayrton Senna has 41 wins and 3 titles from 162 starts.