Susie began her career in karting, being named British Women Kart Racing Driver of the Year in 1996, 1997, 1998, and 1999, and in 2000 was named Top Female Kart Driver in the World
and ability was such that she went on to win the British Woman Kart Racing Driver of the Year four times in her teens
Susie progressed to single seater racing in 2001, competing in the Formula Renault Winter Series.