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 Library Home > Buick > Buick GS 455 > 1970 Buick GS 455

 

1970 Buick GS 455
The GSX was offered as a high performance package of the GS.

1970 Buick GS 455

Many Buick performance fans consider 1970 as the greatest year for Buicks 455 engine as it was the most powerful engine Buick built. General Motors lifted it's corporate ban of engines larger than 400 cubic inches in an intermediate body, and Buick quickly responded by adding the brand new 455 cubic inch engine into its restyled GS. The 455 boosted more displacement, bigger valves, and a hotter cam and included standard cold air induction through functional hood scoops. The 455's was rated at 350hp and a pavement pounding 510lb-ft of torque. The Stage 1 package, was even more with a hotter cam, bigger valves, and a revised carburetor. Buick rated it at 360hp, but most testers believed it was more than 400hp.

1970 Buick GSX 455 Stage I

A rare and scarce Muscle Car that is definitely a top dog in the Muscle Car Market. The GSX Stage 1 is a hot car with a Rear Spoiler, Unique Stripes, Hurst Shifter, Heavy-Duty Suspension, Tach, Front Disc Brakes and a functional hood with scoops. Only 678 1970 GSX's were built with two color options.  178 GSX's were built in Apollo White and 491 were built in Saturn Yellow. Original Purchase price was about $4478.00.

1970 Buick GS 455 Production

Model Number Body/Style Number Body Type & Seating Factory Price Shipping Weight Total Production
GSX Sub-series of the Gran Sport 455
44600 37 2 dr Hardtop Coupe - 6P $3,283 3,562 lbs 8,732
44600 67 2 dr Convertible - 6P $3,469 3,619 lbs 1,416

Note: Only 678 total (convertible and hardtop) GS 455's were produced with the GSX option package

 



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