One of 678 total produced, this matching-numbers, award-winning Buick GSX was ordered new by Spaight Buick, Inc., of Hollywood, CA, as a dealer demonstrator vehicle. It is heavily documented and has been the recipient of a meticulous concours nut-and-bolt restoration by noted Buick restoration expert Dave Kleiner. A two-time winner at the Buick GS Nationals with a Senior Award designation by the Buick Club of America. This original-sheet-metal example retains its matching-numbers motor, transmission and rear differential and is finished in the stunning original colors of Apollo White with black interior. It is powered by its original 455ci high-performance V8 engine and original 3-speed HD Turbo 400 Hydramatic M-40 transmission, with a performance axle 3.42 posi-traction rear end. Aside from the GSX option, it is complemented with a very impressive list of factory options that include the Rally Ride control package, factory air-conditioning, bucket seats with floor console shifter, quick-ratio power steering, power front disc brakes, instrument gauge package with hood tach, radio with 8-track player, tissue dispenser and tinted glass. Its impeccable iron-clad provenance includes a copy of the original wholesale order form, original Protect-O-Plate, GSX Historical Society documents, owner's manual and brochure, and owner history. It is also a registered entrant of the GSX Historical Society.