The Buick GNX, however, is still one of the most legendary American performance cars to ever ... Engine 3.8-liter turbo V6 Power 276 hp Torque 360 lb-ft 0-60 mph 4.7 seconds Buick Reviving old ...

This coupled with the fact that they are typically very easy to find parts ... 1987 Buick Grand National is a V6 that has been modified to use the full potential of a big turbo.