24: Buick Signia
When the Buick Signia crossover concept hit the scene, the crossover market was not yet a thing. The closest thing that you could get to a crossover was the Eagle Summit. Nevertheless, Buick trudged on and brought the concept to the Detroit Auto Show. Its rounded-off edges made the car look more like a Hurst than anything. Consumers weren’t enthused by the look of the car and the automotive press disregarded it.

Buick would later release something fairly similar to the Signia in the Rendevous. Both cars had awkward styling that didn’t fit with the dimensions of the vehicle. The Signia never saw the light of day and the concept is sitting in a GM museum. It’s interesting to see how failed concept cars were received from time to time.