http://cgi.ebay.co.uk/New-Rare-Audi-R8-Oil-filler-Cap-Retail-money-50_W0QQitemZ290406262020QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item439d8fe504
The GTD is like a blow up doll. The GTI is like a proper woman. Sure the doll might last longer, and the woman might have higher running costs, but which would you rather have?