1978 Sport Coupe 216,730 Coupe 141,461 Total 358,191 Engines 200 ci V-6 8,059 231 ci V-6 64,812* 305 ci V-8 285,320 * Buick-designed V-6 Transmissions 3-Spd Man. 882 4-Spd Man. 1,719 THM 355,590** ** THM 350 or THM 200 1979 Sport Coupe 225,073 Landau 91,850 Total 316,923 Engines 200 ci V-6 20,485 231 ci V-6 46,221 231 ci V-6 1,418* 267 ci V-8 134,772 305 ci V-8 114,027 * RPO code LC6 (California) Transmissions 3-Spd Man. 1,595 THM 315,328** ** THM 350 or THM 200 1980 Sport Coupe 116,580 Landau 32,262 Total 148,842 Engines 229 ci V-6 69,231 231 ci V-6 13,839* 231 ci V-6 4,983 267 ci V-8 44,450 305 ci V-8 16,339 * Buick-designed Turbo V-6 Transmissions THM 148,842** ** THM 200C, 250C, 350 and 350C This information has been made available by General Motors and is intended for non-profit use only.