Mansell began his motorsport career in karting in 1996 and was active until 2000 in this sport. In 2001, in the Formula racing and was runner up in the British Formula Honda 600 In 2002, the Briton in the Euro Boss Series, a racing series, competed in the pilot with former racing car series such as Formula 1 or IndyCar Series. In the F3000 standings he finished in third place. In 2003, he remained in this series finished sixth overall. 2004 Mansell denied his third season in the Euro Boss Series and won the Benetton B197 the championship. In addition, he managed to achieve the course record on the Indy track at Brands Hatch.
2005 Mansell left the euro Boss Series and participated only in individual races. In the 3000 Pro Series, he took up to a race and finished 14th in the driver standings. In the IRL Infinity Pro he was after two starts 21st in the overall standings. He also appeared as a guest starter for two races of the British Porsche Carrera Cup. 2006 Mansell held four races in the Indy Lights, the former IRL Infinity Pro, and ended the season in 20th place in the overall standings.
After he started to no race in 2007 and 2008, he took in 2009 for assisted by Ultimate Motorsport team of Galatasaray Istanbul in One Super League Formula weekend part. In 2010 he went to a race in the Euro Boss Series and finished the end of the season 15th in the GP standings.
Scott Mansell is not related to the Formula 1 world champion Nigel Mansell.