In the '90s, people didn't get to have their automotive cake and eat it too. That's to say, a car generally had one job, rather than having the capability to do multiple different tasks, such as trips ...
I like to imagine that someone cackled and said, "It's ALIVE," as lightning flashed when one heck of a Franken-truck was built by GMC. The forgotten pickup literally raided spare parts bins to exist ...