There is no better car to dictate the steep decline of muscle car performance during this time than the 1970s Buick GSX. Produced for just three years (from 1970 to 1972), the Buick GSX started ...

*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 ...

A rare 1970 Buick GSX edges out a 1971 Ford Mustang Cobra Jet in a thrilling quarter-mile drag race at Pure Stock Muscle Car Drag Race. The golden era of muscle cars came alive once again at the Pure ...

*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 ...

Prices shown are the prices you can expect to pay for a 1971 Buick GSX 2 Door Hardtop across different levels of condition. Edit options.

Prices shown are the prices you can expect to pay for a 1972 Buick GSX 2 Door Hardtop across different levels of condition. Edit options.

Performance is one area where Buick has room to grow. It once had muscle cars in its lineup, like the GSX from back in the 1970s, but that model is long gone. There is no high-performance model in ...

Equipped with the automaker’s 455 V8 engine, the Buick GSX was capable of up to 360 horsepower and a whopping 510 pound-foot of torque. The GSX was a direct competitor of cars like the GTO and ...