From the March 1999 issue of GM High-Tech Performance: The 1986 and 1987 Buick Regal Grand National set the performance bar high in the 1980s, not with a V-8 but with a turbocharged intercooled V-6.

With the advent of the personal luxury coupe in the mid-1970s—not to mention the stringent federal and California regulations that quickly signaled the demise of high-output engines—the automotive ...

After a boring year that didn't bring anything new to the table, the 1986 Buick Grand National received a welcome upgrade in the engine department. The carmaker came up with a modified engine upgrade, ...

What is a GNX? The Buick GNX (short for “Grand National Experimental”) was the ultimate expression of G-body performance; a rear-wheel-drive coupe that served as a coda for the Detroit automaker’s ...