What cars did they drive in the 1930s?

Most common were Ford, Chevrolet, Dodge, Studebaker, Hudson, Auburn, Nash, Willys, & Plymouth.

People with higher incomes drove Buick, Oldsmobile, Mercury, Chrysler, Desota, Pontiac, & Packard.

Then there were Premium brands such as Pierce Arrow, Cadillac, Lincoln, Cord, Pierce Arrow, Stutz, Dusenberg and many more small hand built brands.