If you were physically present in the early 1970s, you'd know Oldsmobile had already proven itself by building a legit street fighter. The 442 carried serious credibility, the 455 engine had brute ...

Take a closer look at the 1971 Buick Riviera GS Gran Sport in Vintage Red, featuring its 455 engine sound and classic design, presented by Lou Costabile. What makes this muscle-era luxury coupe stand ...

There may not be any other Pontiac engine that harbors as much mystique as the Super-Duty 455. Introduced in '73 as a maximum-performance effort capable of sustained 6,000-rpm operation, it was ...

Pontiac was never good at letting go. Even as emissions strangled Detroit’s horsepower culture, the division that built the GTO refused to surrender quietly. And in 1975—against logic, policy, and ...

Most of you reading this will be familiar with the era of classic American muscle cars. While its true beginning is up for debate, most agree the introduction of the Pontiac Le Mans GTO in 1964 was ...

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 ...