I also think about the Ford Sierra, the midsize car sold as the Merkur XR4Ti in North America in the 1980s. But did you know Dodge also used the "Sierra" badge? It happened in the 1950s.
Though the Corvette became the only GM sports car to make it into production, its divisions unveiled several breathtaking sports car concepts during the 1950s. Among those were Buick's Wildcats ...