Classic cars like the 1987 Buick GNX are pieces of history that should be driven, not kept hidden away. Buick's V6 engine in the GNX was a bold move during a time when V8 engines were popular for ...

Adding up every TVR Power Rover V8 ever produced between the 450 and the 390SE, they made these in much smaller numbers than the GNX's turbocharged V6, but if we're calling it the rarest Buick ...

While the Buick GNX was already old at this point, its astounding engine was still the most powerful available, and Pontiac decided to use its proven turbocharged V6 powerplant for the new Trans-Am.

Buick gets its very own halo car in the form of a new Grand National, possibly even a GNX model, with a high-tech single or twin-turbocharged V6 and a price tag also above $30K. Chevy, meanwhile ...

The 1987 Buick Grand National GNX looks just as mean today as when new. It eschews a traditional muscular V8 in favor of a 3.8-liter turbo V6 making a claimed 276 hp and 360 lb-ft, although that ...