GM’s Biggest Nightmare Was Built by Buick

What happens when a Buick becomes too fast for its own good? In 1987, the GNX didn't just break records, it broke the hierarchy at General Motors. This is the story of the "Darth Vader" car that outperformed the Corvette and paid the ultimate price for it. Inside the Video: How Buick accidentally created a supercar killer. The secret "gentleman's agreement" that GM ignored. The real reason the GNX was forced into retirement. #OvalLegends #BuickGNX #GrandNational #GMHistory #ClassicCars