Fleetside. A pickup truck having flat bedsides; i.e., no protruding (removable) rear fenders, hence the term “quarter-panels.” I have often used Fleetside to describe any manufactured slab-sided truck, however, much to the dismay of FoMoCo (Styleside) and Mopar (Sweptline) fans, Fleetside is a GM nomenclature—coined after the development of their revolutionary “non-commercial” Cameo Carrier in 1955.
It was originally designed