Buick was right there in the '60s and '70s when big-inch muscle ruled the streets. Now it's the '80s, and Buick is still right there with the new, limited-production Grand National Turbo Regal GNX ...

The straight-line performance of the GNX was good enough to embarrass that year’s Chevy Corvette. Our feature 1987 Buick GNX is #284 of the 547 built. It has covered just 766 miles from new.

Our feature 1987 Buick GNX is #450 of the 547 built. It is an absolute time capsule, having been driven just 26 miles from new.

When MotorTrend originally drove the Buick GNX in 1987, Buick engineers managed to coax a 5.4-second sprint to 60 mph out of an early prototype. This was backed by a 13.4-second quarter-mile with ...