The Buick 455 V8 was one of the most powerful and underrated engines of the American muscle car era, delivering massive torque at a time when horsepower wars defined Detroit performance. Built for big ...

While not entirely obscure or forgotten as, say, any AMC muscle car, the Buick Gran Sport is tragically underrated. In 1970, the street super predators were the Chevrolet Chevelle SS 454 and the Dodge ...

The model year 1970 witnessed the departure of the 400 and the introduction of the 455ci (7.5-liter) engine, giving birth to the Buick GS 455. The engine could be had in multiple configurations. The ...

inefficient today to consider that GM was producing unique 455 Pontiacs, 455 Oldsmobiles, 455 Buicks, and 454 Chevrolets--four engines within 1 cubic inch of displacement--all at the same time.

1970 was the year when GM issued the ‘Fire at will!’ order across its entire four-strong piston legions, revoking the displacement ban for intermediates. That woeful ban on engine size was aimed at ...

As Buick's star continues to rise in the 21st century as a worldwide player in the near-luxury segment, few of its international customers have any inkling of the rich performance history the brand ...