Collectors chase the GMC Sierra Classic 454 because it captures the last gasp of big-block torque in a square-body truck.

First offered in 1936 as part of the GMC T & F Series, the GMC T14 was a sturdy half-ton pickup built at a time when General Motors was just beginning to establish GMC as a serious player in the light ...

The GMC Syclone turbo truck burned bright and brief, arriving in the early 1990s as a factory hot rod that could outrun ...