One of the shortest-lived nameplates in Buick history, the Centurion was offered between 1971 and 1973, briefly replacing the ...

In the last production year of the Buick GSX, only 44 units were sold. There is no official mention of how many Stage-1-equipped 455 V8 GSXs were sold in 1971 and 1972. Notably, the "GSX" name was ...

Buick has a rich history of great ... with the same 7.5-liter V8 as in the Electra and GSX. Making 370 hp and 510 lb-ft of ...

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 ...