A 1988 Chevy K3500 with only 55 miles sells for $100,000. We examine why this untouched square-body dually commanded a six-figure price.

The square body truck was a microcosm within the greater history of the lovable pickup truck. It was essentially an era where Chevy — and later other auto brands — made trucks that had a square body.

Square bodies were phased out over the course of a few years at the end of the '80s and were replaced by the General's fourth-gen GMT 400 trucks. While the GMT 400 was a pretty big step up in quality, ...

The iconic square wheel well design has adorned Chevrolet pickup trucks since the third-generation C/K series debuted in 1973. Although officially referred to by GM and Chevy as the Rounded Line ...