Oldsmobile Model 30

The Oldsmobile Model 30, which continued to be known as the Oldsmobile Six, was a motorcar built by General Motors from 1923 through 1927. Each year it was built, it was given a new suffix 30-A, 30-B, 30-C, 30-D and 30-E for the last year of production, all having been manufactured in Lansing, Michigan.