Square Body Trucks are the third generation of Chevrolet and GMC C/K pickups introduced in 1973 and produced for almost 14 years, from 1973 to 1987. Initially named ‘Round-Line’ by the company in 1973 ...

That toughness was arguably never more embodied than in the brand's so-called "square-body" builds that went into production ...

The square body truck style gave models a muscular appearance on the road that appealed to folks who demanded an inside and out sort of toughness from their pickups. For their part, both GMC and ...

In fact, GM put square wheel wells on its trucks for nearly 50 years, from the introduction of the square body in 1973 until the launch of the fourth-gen Silverado in 2019. So, why square — or ...