Top Speed on MSN
The most overlooked turbocharged V6 coupe ever made
'80s muscle car fans love the Buick Grand National and especially the GNX, but there was little-known Regal-based turbo-six coupe that preceded them.
A thousand miles is nothing on a map and everything on an odometer. This GNX reads 1,066, smells new, and idles like a sealed time capsule. Somewhere between the sticker and the myth, Buick’s fastest ...
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