GM has crafted some radically cool concept cars that should have made it to production, but unfortunately fell short.

We may finally get a Hyundai supercar. T he N Vision 74, Hyundai's on-again, off-again supercar, might very well be the red ...

Cadillac's newest prototype is throwing down the gauntlet. Can it challenge the dominance of Rolls-Royce in the ultra-luxury ...

High style concept cars have retuned to auto show turntables. They include the Cadillac Opulent Velocity. Long, low and wide ...