All Brands > Opel > Omega Wheel fitment guide by car model Opel Omega wheel dimensions (Change model) | Select year to see the charts. Omega 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 Omega 1994 1993 1992 1991 1990 1989 1988 1987 1986 Wheel ET Explained Wheel ET offset explained with charts and picture examples