3. Chevrolet C/K “Square Body”
Chevy introduced the third generation of their popular C/K trucks in 1973. It was one of the biggest, most important trucks in their history. Not only it was advanced and well-engineered, but it also featured many firsts for Chevrolet and for the entire truck segment, as well. Chevy called it the “Square Body” for its boxy design.

This third-generation C/K featured a computer-designed body with more space and comfort than ever before. The truck was bigger and tougher due to the new platform, revised suspension, and tougher axles. Customers had numerous cab configurations, special editions, engine options, and details to choose from, too. This made the third-generation C/K one of the best trucks in the world at the time. Chevy produced the C/K from 1973 to 1991 in the U.S. They also produced this model was in Argentina, Chile, Mexico, and South Korea. During the long production run, Chevrolet introduced a diesel engine as an option. This proved to be a highly popular choice in Europe and South America.