How to tell a Real GNX from a Fake

With only around 500 examples produced, the Buick GNX (Grand National Xcitement) is one of the most sought after cars of the 1980's. That single letter X can mean the difference between a $4000 car, and an $80000 car. Naturally, there are plenty of people out there building phony GNX's to make a quick buck.

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