The Pontiac Trans Am 455 Super Duty arrived just as Detroit was being forced to turn down the volume on big cubic inches, which is exactly why it still looms so large in muscle car history. Built in ...

The 1970s were a particularly upsetting time for American car enthusiasts. Not only were insurance costs climbing and new emissions regulations strangling big-capacity V8 engines, but the '73 oil ...

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 ...

Matt Nelson is an automotive journalist with nearly a decade of experience in all things cars. He's spent years working at dealerships in sales, finance, and service. He's since traded in his pens and ...

In the Pontiac hobby, there are times we find ourselves trying to separate fact from fiction. Many different engines and models have suffered such a fate, but few are as misperceived as the Super Duty ...

Pontiac’s Grand Prix SJ 455 sits at the crossroads of luxury and muscle, combining big-block torque with personal-coupe comfort in a way few rivals matched. Collectors today chase these cars not just ...