His career in Formula One spanned 15 seasons, with his final two full seasons of top-level racing being spent in the American CART series. Mansell remains the most successful British Formula One driver of all-time in terms of race wins with 31 victories, and is fourth overall on the Formula One race winners list
Post 1945 Drivers
NIGEL MANSELL
GB
Formula One (1992) and Indycar {CART} (1993). He is the only person in history to hold both titles simultaneously, and was the first person to win the CART title in his debut season.
Author: ArchitectPage
Yes!! Nigel Mansell was World Champion in F1 and Champion in Indycars at the same time!