The following drivers won their respective championships on Dunlop tyres in the 2003 season:
- Fia/GT N-GT | Stepane Ortelli / Marc Lieb, Freisinger M/Sport Porsche GT3
- Spa 24hr Overall Winner | Stepane Ortelli / Marc Lieb / Roman Dumas, Freisinger M/Sport Porsche GT3
- BTCC | Yvan Muller, VXRacing (Vauxhall Astra Coupe)
- Dunlop Gold Star ( Rally ) | Andy Burton / Rob Morgan, Peugeot Cosworth
- British GT | Tom Herridge, Roll Centre Racing Mosler
- TVR Challenge | Lee Caroline, TVR Tuscan
- UK Cup | Patrick Pearce / Matt Griffin, Tech A M/Sport Porsche 911
- Mini Miglia | Peter Baldwin, Mini
- VW Cup | Rob Carvell, Mk I Golf GTI
- Grand AM GT Class | Cort Wagner, Ferrari Washington
