Back in the day, the GM pecking order started with Cadillac at the top as the luxury brand, followed by Buick, Oldsmobile, then Pontiac, which was the performance division, and finally Chevrolet at ...
From the November 1969 issue of Hot Rod magazine: Those who appreciate good cars had an eye out for the GS 455. Buick may have the surprise issue in the super-car series this model year. The 400-cubic ...
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.