However, those trucks would arguably never have happened were it not for GMC. Read more: The 15 Most Reliable SUVs Of All Time, Ranked The Syclone was first unveiled to a surprised crowd at the ...

A pickup with a turbo V6 might not seem that impressive by today's standards, but in the early 1990s a GMC Syclone like the one in Jay Leno's Garage was king of the American road.