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AJ's Car of the Day '70 Buick GS 455 Sport Coupe
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Car: Buick GS 455 Sport Coupe

Year: 1970

What makes it special: The Gran Sport name has been used on several high-performance cars built by Buick since 1965. In the General Motors brand hierarchy the Buick GS series were the most opulently equipped GM sport models of their era. Specific to the GS, the front end was revamped with a wide, deeply recessed and blacked-out grille divided into two sections and highlighted with fine brightwork. Twin headlamps were still positioned in their outboard locations. Also, stated earlier, the cold-air induction system was redesigned, featuring larger twin recessed grilles that mimicked the design of the radiator grille. The GS 455 and GS 455 Stage 1 were available only in two-door Sport Coupe and Convertible styles.

What made it famous: The GS400 was replaced for 1970 with the GS 455. Equipped with a newly developed 455 cu.in. engine, the re-badged GS 455 touted a whopping 510-lb.ft. of torque, -this from a division that catered to the upright businessman and the moderately successful family alike, bolted into a car that, with the exception of discreet badging, didn't scream "muscle" like its striped brethren. And if that was not enough, there was the Stage 1 option that, when adapted to the 455, produced an additional 10 horses. Even the contemporary motoring press who tested a Stage 1 to a 13.38-second ET at 105.50 mph was quick to say that the factory rating was some kind of understatement of the year. Each GS 455 and Stage 1 variant was slated to be accompanied by a standard heavy-duty, floor-shifted 3-speed manual transmission. Not surprisingly, an overwhelming number of them were delivered with one of three options: the Turbo Hydra-Matic 400 automatic or wide- or close-ratio 4-speed manual.

Why I would want one: It's one of General Motors baddest muscle cars of all time.

Fun fact: Although a vinyl top could have been ordered for any GS 455 and 455 Stage 1, racy Sport mirrors were reserved for the same-year GSX.

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