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Both the BUICK GNX & PONTIAC 20th ANNIVERSARY TRANS AM are powered by turbocharged Buick V-6 engines and deliver similar performance. But the Trans-Am, unlike the very limited production GNX, is much more available and affordable, blogs Hagerty’s Eddy Eckart.
Nicola Bulgari's heavily-modified 4.1-liter Buick Grand National and Pontiac 20th Anniversary Turbo Trans Am. Photographed in Rome, Italy in 1997.
Can a substitute ever be as satisfying as the real thing? It’s a question with which ...
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