Our featured 1964 Buick Le Sabre convertible was one such vehicle, unceremoniously retired after years of committed service, and banished to the back of a family’s storage space for half a lifetime.

Buick did exactly this in the late 1980s, with a unique version of its LeSabre model. Started back in 1899 by David Dunbar Buick, Buick was one of the first American car brands and is credited ...