1968 Buick GS 400 convertible features a 400ci V8 engine, a Turbo 400 three-speed automatic transmission, a white convertible soft top, air conditioning, power steering, power-assisted front disc brakes, 14? Rally-style wheels, and a push-button AM/FM radio. The car underwent body repainting, a valve job, and replacements of the oil pump, distributor, and carburetor.