Rarity in the automotive market can be difficult to define. At one extreme, there are limited-production hypercars that have all been reserved by collectors before the press release even goes public.

Fans of the classic American muscle car will likely know about the Chevrolet Chevelle SS 454, one of the most recognizable and potent versions of the Chevelle. As such, it has become one of the most ...

Before the 1968 Chevrolet SS 427 ever rumbled onto American streets, it was already something of an oddity—a secret muscle car hidden inside a full-size suit. Produced only from 1967 to 1969 as the ...