Vincent developed a V12 airplane engine called the " Liberty engine " that was used widely in Entente air corps during World War I. The Packard inline eight, despite being an older design that lacked the power of Cadillac's engines, was very smooth. They joined competitors and media critics in christening the new models as " Packardbakers ".

Nance had hoped for a total redesign in , but the necessary time and money were lacking. The last fully Packard-designed vehicle, a Patrician four-door sedan, rolled off the Conner Avenue assembly line on June 25, Archived from the original on June 24,

With the market flooded by inexpensive cars, minor automakers struggled to sell vehicles at loss leader prices to keep up with Ford and GM. This feature has only recently been used on production cars.