From German Magazine Auto Motor und Sport:
Full Article Here
Translation from Altavista:
"Under the contraction ULS (Ultra Luxury Sedan) Cadillac plans a luxury sedan with V12-Motor for the coronation/culmination of the program. It is the again developed North-Star-Aluminium-V12, in to 100 Anniversary of the mark presented sports car study Cien its debut gave: with four cam shafts, direkteinspritzung(direct fuel injection), lying above, cylinder disconnection(DOD), 750 HP and 610 Nm torque. Completely as much power might not become it in the series, but enough, in order to be able to offer the V12-Boliden from Stuttgart and Munich Paroli. Among them it in addition, two V8-Ausfuehrungen with 340 to scarce will give over 400 HP. With prices starting from 80,000 dollar would be the Cadillac ULS also after US yardsticks a real luxury car. Clearly over five meters long luxury liners like the STS with rear-wheel drive and optional all-wheel drive one offers."
I edited it to try and clear up as much as I could, but it still sounds like Yoda was writing this article.