Oldsmobile 4-4-2 W-30 versus Buick GS 455 Stage 1, A-body brothers each considered the “gentleman’s musclecar.” Sibling rivals when GM divisions competed.

This American powerhouse wasn't the only surprise beast to come from Buick, though it set the stage moving forward for all muscle cars.

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Buick may not be famous for muscle cars, but they sure did create some of the baddest rides of the Golden Age.

A magazine advertisement for the 1981 Buick Skylark, sibling to the Chevrolet Citation, Pontiac Phoenix, and Oldsmobile Omega.

The Buick 455 V8 still holds significant status in the history books of American muscle. Here's what you need to know about the powerful engine.

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Muscle cars remain an iconic part of American automotive history, and those with true big block engines are some of the coolest cars collectors can find.

That happened to the following 1970 Buick GSX Tribute built on a 1972 Skylark with a 454 V8. No, that’s not a typo, but the cold, hard facts: this Buick is powered by a Chevrolet engine.

The 1953 Buick Skylark was built in celebration of Buick's 50th Anniversary. This Matador Red example will soon cross Mecum Auctions block in Arizona.

The Skylark Gran Sport also offered adjustable suspension, which was a bigger to-do at the time, with "soft," "auto," and "sport" suspension settings.

Built between 1968 and 1972, the second-generation Buick Skylark offered buyers a lot of variety. You could get it as a four-door sedan, two-door coupe and convertible, plus a two- or four-door ...