The 1999 Auto Trader RAC British Touring Car Championship featured 26 races across 13 rounds. It began on 5 April at Donington Park and concluded on 19 September at Silverstone. The driver's title was won by Laurent Aïello in his debut season driving for the Nissan works team, with his teammate David Leslie in second place. Reigning champion Rickard Rydell finished in third place.