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The most overlooked turbocharged V6 coupe ever made
Buick Grand National and especially the GNX, but there was little-known Regal-based turbo-six coupe that preceded them.
American automaker Buick launched the Special in 1962 — the first American car with a standard V6 gasoline engine. Parent company General Motors called its newest V6 engine the "Fireball," a ...
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