British Touring Car Championship veteran Tom Chilton has announced he is retiring after this weekend’s season finale at Brands Hatch, bringing an end to a 24-year career in Britain's premier motorsport series.

British Touring Car squad Motorbase will switch from Porsche to Aston Martin for its assault on British GT next season.David Bartrum's operation has run Porsches in various sportscar series since it started in the Carrera Cup GB in 2004.The squad took Michael Caine and Daniele Perfetti to the 2012 British...