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Lutz unveiles the Cadillac Sixteen concept at NAIAS 2003 in Detroit It's official. It's been confirmed: Cadillac is preparing a new V12 flagship. That's straight from the mouth of our favorite man in the business, Bob Lutz. On a recent trip across the pond, GM's venerated product guru confirmed in ...

Some concept cars are purely for show, but some are built to go. GM Europe took the latter a step further by putting their striking and exciting Chevrolet WTCC Ultra concept to the test on the track. The concept race car made its debut at the Paris Motor Show and is scheduled to make an ...