It produces 220 horsepower and 260 lb-ft of torque. The 2012 Buick Regal GS has the same turbocharged engine as the turbo models, but it has an additional turbo boost that produces 270 horsepower ...

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

GM's A-body platform arrived in time to participate in the muscle car revolution. Some became legends, but those that didn't ...

But every now and then, a badge comes along that means more than just a trim level or performance upgrade. It becomes something deeper – a symbol of what the brand stood for in that moment. One of ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title ...

While everyone else was busy making big car engines, the Tri-Shield was ... of being a cut above that year's pure Buick muscle car, the Gran Sport 455 (350 hp), and even higher than the Stage ...