This one-year-only Gran Sport package was genuinely rare: Buick built just 1,244 Wildcat GSs for 1966, and only 22 were the dual-quad "Super Wildcat."
Lead trim: Wildcat GS 425 cu in Buick V8 (340 hp) · up to 360 hp
Buick Wildcat GS1966–1966
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Nobody in Burbles has spotted a Buick Wildcat GS yet. See one on the street, point the app at it, and the first card is yours — with your @handle permanently credited on this page.
FactThis one-year-only Gran Sport package was genuinely rare: Buick built just 1,244 Wildcat GSs for 1966, and only 22 were the dual-quad "Super Wildcat."
In 1966 a one-year-only Wildcat "Gran Sport Performance Group" package could be ordered by selecting the A8/Y48 option, with two engine choices: the single-carb 425 CID/340 hp V8 was included in the base package price, with a 360 hp dual-carb set-up available at extra cost (initially a dealer-installed carb-intake modification bolted to stock MT-coded engines, eventually available direct from the factory as MZ-coded "Super Wildcats"). Both packages included dual exhaust, heavy-duty suspension, posi-traction and updated rear quarter-panel "GS" badging in the initials-only format used on all post-1965 Gran Sports. A total of 1,244 Wildcat GSs were built, of which 242 were convertibles and the rest hardtops; a mere 22 were Super Wildcats.
Collectors Spotted in the Buick Wildcat Lineage
No member has published a public street spot of the Buick Wildcat yet — the First · Worldwide stamp is wide open.
Trims & Figures
2 published trims in the catalogue. A blank is a figure not recorded, not zero.
| Trim | Years | Engine | Power | Torque | 0–60 | Drive | Gearbox | MSRP |
|---|---|---|---|---|---|---|---|---|
| Wildcat GS 425 cu in Buick V8 (340 hp) | 1966–1966 | 7.0 L V8 | 340 hp | 465 lb-ft | — | RWD | — | — |
| Wildcat GS Super Wildcat 425 cu in dual-carb V8 (360 hp) | 1966–1966 | 7.0 L V8 | 360 hp | 465 lb-ft | — | RWD | — | — |
Owning one
We don’t estimate running costs for a car like this. What it costs depends on its condition, its specialist and how it is driven, and an average would mislead.
Owners’ builds
Nobody has claimed one yet.
Photographs
This one-year-only Gran Sport package was genuinely rare: Buick built just 1,244 Wildcat GSs for 1966, and only 22 were the dual-quad "Super Wildcat."
Buick's 1966 Wildcat GS package was a one-year-only option, and of the 1,244 built, only 22 got the rare dual-carb 'Super Wildcat' treatment.
This Wildcat wore the signature triple VentiPorts shared with the LeSabre and Invicta for exactly one model year — Buick dropped them for 1964 and never brought them back to the Wildcat.
Rivals
Same body, same money, other badges — tap any card to flip.
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