Cadillac Goes on a ‘CT’ and ‘XT’ Trademarking Spree By Sebastien Bell Aug 13 2018 Share this Article Tweet Everything from CT2 to XT8. Continue Reading... Filed under: American Cadillac Featured Articles Luxury CarsTags: Cadillac, Cadillac CT, Cadillac XT, CT2, CT3, CT4, ct5, ct6, CT7, CT8, XT4, XT5, XT6, xt7, XT8