Top Speed on MSN
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.
HotCars on MSN
The first twin-turbo V6 that made 300 HP look easy
Early twin-turbo V6 tech delivered 300 hp with smooth power, strong tuning headroom, and iconic reliability lessons that ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results