The same argument could be applied to your XF if it was written off. No doubt you've got gap insurance, but how much did that depreciate by when you'd just driven it off the forecourt?Could you afford to lose the money? I.e. if a Skoda Fabia rear ends you shortly after respray and you are offered £1000 settlement by the insurance companies where would that put you financially?
None us here buys, mods or restores a car with a financial advisors hat on. Otherwise this club would not exist and we'd all be driving second hand boring euroboxes.