This 1970 Buick GS 455 Stage 1 convertible is finished in Aqua Mist over Pearl White interior with white power vinyl roof. This "Brass Hat" demonstrator has had a no-expense-spared rotisserie restoration in 2021, which included NOS parts. Documented with the Sloan Museum report and Window Sticker. Displayed in the Class of 1970 Buick Stage 1 display at the by-invitation-only Muscle Car and Corvette Nationals in Rosemont, Il., November 2021. Originally sold by Smyly Buick. The Stage 1 engine was reported to produce 360hp from the factory, where actual tests proved output was closer to 425hp. However, the 510 ft/lbs of torque was enough to earn the reputation as one of the top five fastest muscle cars in 1970. The engine is paired with a Turbo 400 3-speed transmission and a posi-traction rear end. Interior attributes include: a full-length center console, bucket seats, power steering and brakes, and a tilt steering wheel. Finishing off with instrument gauges,Sonomatic radio and a convenience group, trunk light, mirror and map light. Riding on Firestone Radial tires on Buick Rallye wheels.