Sales were still soaring in 1965 for the Wildcat and Buick expaned with craze offering even more models in the Wildcat lineup. With all new styling that was shared with the LeSabre, cthe Wildcat continued with a unique grille and badging.

Engine options included: 401 V8 325 hp, 425 V8 340 hp, 425 V8 360 hp

Models now consisted of :

Wildcat Series 46200:
2-door convertible
2-door sport coupe - about 6,031 produced
4-door hardtop sedan - about 10,184 produced
4-door hardtop- about 7,499 produced

Wildcat Deluxe Series 46400:
2-door convertible
2-door sport coupe- about 11,617 produced
4-door hardtop sedan- about 13,903 produced
4-door hardtop- about 9,765 produced

Wildcat Custom Series 46600:
2-door convertible
2-door sport coupe
4-door hardtop sedan