In the 1970s, Cadillac wowed the luxury world by building the biggest production V8 ever. These are all the cars that were graced with the huge unit.

One of 79 manual GTO 400 convertibles built, this 1971 example was sold seven times in the past seven years, never for more ...

Our classic face-off this week involves a 1963 Chevy Impala SS convertible and a 1967 Pontiac GTO convertible. If you had the money, which would you choose?

Out of 32,000-odd examples built in the first year, only a few hundred LeMans ragtops came with the GTO package, triple ...

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Buick once released a model that was so powerful that GM downplayed its true output to dodge corporate limits and keep ...