100K is nothing on a porsche my son had a older one he wanted very bad only thing i replaced was the main comp. for 500 Bucks sold it for same price i bought it for and the guy drove 5 Hous to get it....if it something you love go for it you will always be able to pick up another XF, not every one wants to pay on haveing 2 or three cars.... I dont...and am very happy I traded My XF for a SLK....no regrets....