Hi Alan,

To calculate the VRT we need two things: the CO2 rating to determine the VRT band and the Open Market Selling Price (OMSP). We can be certain that any 911 from 2003-2005 will be in the top VRT band, at 41 per cent. 

The OMSP is far trickier to guess as it's the figure Revenue believes the car to be worth registered on the Irish market. It's especially difficult to estimate for rare cars such as the 911, and obviously it'll vary massively from say, a 2003 C2S to a 2005 C4S.

If, for example, Revenue says the OMSP is €50,000, then your VRT bill would be €20,500.