GNX was a big deal at the time.......
Guys were buying those and putting them in hemmings for 80,000 back in 1988. Most (if not all) of them were never sold for that price, but at the time it was the king of the street. GM was pissed, because nothing was ever supposed to be faster than a vette from the GM stable. I still have the musclecar review mags from the time it hit the showroom floor, and it sure was a sinister looking ride on the street. I was running a 65 olds 442 with a few serious mods at the time, and that thing was just as fast.