Cadillac Cien Concept

Officially unveiled at the 2002 Detroit Auto Show, the Cadillac Cien is a breathtaking concept powered by a 7.5 L V12 Northstar XV12 engine, which produces 750 hp and 450 lb/ft of torque. The engine featured direct injection and Displacement on Demand, which would shut down up to 6 cylinders under lighter load for fuel economy’s sake. The Cien is fitted with an F-1 style semi-automatic transmission.

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