My list (smilies are my ratings):
VW:
1980 Golf GLS 1.5 3 door in White (1993 to 1995)
1998 Polo 1.9D CL 5 door in Red (2000 to 2001)
1997 Polo 1.4 CL 5 door in Dragon Green (2001 to 2002)
2003 Touareg 2.5 TDI in Off-Road Grey (2005 to 2006)
2991 Golf Driver 1.6 3 door in White (2005 to 2006)
2001 Passat V5 Estate (current motor) (2007 to present)
VAG:
1996 Audi A6 2.6SE Saloon in dk. blue (2004 to 2005)
2001 Audi A6 1.9 TDI (130) SE Avant 6 speed in bluey grey (2005 bought & sold
)