The intermediate Cutlass Supreme coupe proved to be Oldsmobile’s best seller by far, with nearly 151,000 customers drawn to its formal style. V-8 models came with a new standard 260-cube engine. Coupled with reversible swivel bucket seats, and emission battling innovations like the GM pioneered catalytic converter, and you can see why Olds was … Continue reading 1975 Oldsmobile Cutlass Supreme Commercials