Buick's rarest muscle car was the 1966 Super Wildcat GS, with only 21 units ever produced, featuring a powerful V8 engine.

During the muscle car boom of the 1960s and '70s ... on which carburetor the buyer selected. For 1966 only, Buick issued a GS (Grand Sport) Performance package with dual exhausts, an upgraded ...

When the muscle car craze hit, Buick again answered the call in 1965 by putting a luxurious twist on the potent mid-sized A-body platform with the Skylark GS, then in 1970 put out the mic-drop GS ...

To this day, the 1969 GS Stage 1 is one of the most underrated muscle cars of the golden age and one of Buick's most revered models. For the 1970 model year, GM finally lifted its self-imposed 400 ...

During the pinnacle of the muscle car golden age, the GS Stage 1 was the fourth quickest factory-built performance ride over a quarter mile, the undisputable torque king, and the best-handling ...

The term “muscle car” was coined during the original muscle car era, which is generally defined as 1964 through 1974. The ...

Buick may have the surprise issue in the super-car series this model year. The 400-cubic-inch engine in their GS series has been ... looking intermediate and/or muscle car of the season.

With 540 horsepower and 10-second quarter mile times, a Stage 2 equipped GS was the proverbial Hemi killer, Hellcats included.

A time capsule 1987 Buick GNX has set a new auction record for the model. The muscle car has just 8.7 miles on the odometer was sold for $275,000 at Barrett-Jackson's Las Vegas auction.