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 ...

After reviewing the successes of Chevrolet’s 1955 small block V8, Buick introduced an all-aluminum V8 in 1961. This engine would go on to become the Rover V8, powering everything from TVRs to tractors ...

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.

During the 1980s, Buick, of all GM divisions, dared to redefine the muscle car using a turbocharged V6. Not only did the experiment work, but it resulted in one of the most badass American performance ...