page_title: Buick Gran Sport
section_title: Wildcat GS
hierarchical_section_title: Buick Gran Sport / Other Gran Sports / Wildcat GS
caption_attribution_description: The Wildcat Sport Coupe was introduced in 1962, but was only an option on the Invicta that year. it got a high performance version of the 401 V8, Electra tail lights, bucket seats, console, special exterior side trim and vinyl roof. In 1963 it became its own series, now, available as a 4 door Hardtop and Convertible as well as the Sport Coupe. The 2nd generation Wildcats were built from 1965-70, instead of Ventiports the Wildcats featured chrome hash marks behind the front wheels. Available either Base or Custom trim levels. Also Grand Sport Performance package (1244 made) Engine; 425 cu in Nailhead V8
context_page_description: The Gran Sport name has been used on several high-performance cars built by Buick since 1965. In the GM brands hierarchy, Buick was surpassed in luxury and comfort appointments only by Cadillac, which did not produce performance models. As a result, the Buick GS series were the most opulently equipped GM sport models of their era.
context_section_description: Another GS option package was available on the Buick Wildcat and Wildcat Custom, hardtop and convertible. The GS package included a 3.42 ratio posi rear, variable rate suspension springs, quick ratio steering box, heavy duty sway bars, and a switch-pitch Turbo Hydra-matic 400 transmission. The addition of the Y48 option gave the purchaser a pair of Carter AFB four barrel carburetors, and finned aluminum valve covers on the 425 nailhead engine. This was a one-year only option, existing in 1966 only. The Y48 option was delivered in the trunk and installed by the dealer.
caption: 1966 Buick Wildcat GS convertible
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