All the big US car brands followed a similar theme with their full-size offerings, with Chevrolet's Impala, Ford's Galaxie, and Dodge's Polara among others all opting for predominantly square designs.

Nobody wrote songs about the Buick Electra or Dodge Polara, but the Impala is an endless source of inspiration. It's also a hot commodity on the collectors' market, simply because it is timelessly ...