Cadillac has its fair share of outrageous concept ... one of the fish that got away was a two-door coupe powered by an experimental V12 engine and characterized by a design inspired by one of ...

GM's Last Passenger V12 Is A Lot Older In order to find the last V12 produced by General Motors for use in a passenger car, we need to go back quite a lot further than the Twin Six, before World War ...

The brand is known for its loyal fan base and Cadillac-rivaling luxury ... a domestically produced V12 since the Truman administration. The last V12 engine to ever leave a US factory did so ...

Power continues to come from a Rolls-Royce 6.75-liter V12 engine, with a self-leveling air suspension, while the car is made entirely from aluminum with over 600 assembled parts and over 650 feet ...