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1970 Buick GS 455 Stage 1 Sport Coupe

Sold For $50,400

Inclusive of applicable buyer's fee.

RM | Sotheby's - ARIZONA 16 - 17 JANUARY 2020 - The Roadmaster Collection


Chassis No.
446370H264513
  • Offered from the Roadmaster Collection
  • Show-quality restoration retaining its mint original interior
  • Features four-speed manual transmission with Hurst shifter
  • Factory optioned with bucket seats and air conditioning
  • Includes original window sticker, owner's manuals, and Protect-O-Plate
  • Desirable Stage 1 option package

In 1970 General Motors removed its self-imposed 400 cu. in. limit on V-8 engines, leading each GM division to develop its own engine that pushed the envelope in size and “reported” horsepower. Typically seen as General Motors’ mid-level luxury division below Cadillac, Buick joined the race with its new big-block 455 cu. in. V-8. The engine would find its way into the 1970 Buick GS 455, even lending its name to the model. The GS or Gran Sport 455 was GM’s luxury muscle car. It came with numerous power options, an upgraded interior, and most important, exhilarating performance.

Buick buyers seeking even greater horsepower could up the ante with the Stage 1 option package, featuring a more aggressive high-lift camshaft, bigger valves, revised porting, higher-compression pistons, enhanced cold-air induction system, and a special Rochester Quadrajet four-barrel carburetor. The Stage 1 was publicized with an official factory rating of 360 hp; however, this was a conservative estimate by all accounts, with true output believed to be closer to 400. Additional Stage 1 options included a dual induction hood, heavy-duty suspension, and a positraction rear end.

This 1970 GS 455 Stage 1 sport coupe has been meticulously restored, finished in the correct shade of Burnished Saddle with vinyl roof over the all-original matching vinyl interior in nearly new condition. Highlighted by its desirable Stage 1 option package, this Buick includes sought-after factory features such as the four-speed manual transmission, bucket seats, and air conditioning. It rides on Goodyear Eagle GT tires mounted on five-spoke chrome-plated factory wheels. Only 2,465 GS 455 Stage 1 coupes were produced for 1970, with few surviving in comparable show-ready condition.

If there is one thing Buick proved with the GS 455 Stage 1, it’s that you can add a touch of class to the muscle car.


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