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The square body truck market has made a 1977 GMC Sierra Grande worth $21,500—here's why that number makes sense

Square Body trucks have crossed into collector territory. Here's why a 1977 GMC Sierra Grande 2500 asking $21,500 makes sense ...
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What are square body trucks and when did car brands stop making them?

Pickup trucks have been a significant part of the automobile market pretty much since the moment Henry Ford rolled the first Model TT off the production line in 1917. Those first pickups were modified ...