Featuring straight line performance and plenty of power, the Buick Grand National GNX might have been the only true muscle car of the 1980’s. Most of you Grand National fans probably already know that Buick had to stop making these cars because GM didn’t like the fact that it was outperforming the Corvette, which was supposed to be the top performing car in the GM family. Here’s a Motor Trend American Classics video featuring the GNX:

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