How much is the VRT on a PORSCHE?

Do an independent VRT calculation using an independent valuation of the Irish market value of the vehicle based on accurate industry market data for the following PORSCHE models:

PORSCHE 356, PORSCHE 911, PORSCHE 944, PORSCHE BOXSTER, PORSCHE CAYENNE, PORSCHE CAYMAN, PORSCHE MACAN, PORSCHE PANAMERA,