Fiat's first entrant in the luxury car market, the 520 "Superfiat" was equipped with a V12 engine of 6,805 cc that produced an estimated 90 bhp.

For several years in the early 1920s, the Superfiat was the only car in the world offered with a V12 engine.

Fiat's "upper middle-class" model in the later 1920s was also designated the 520, but was smaller and more modestly powered than its earlier namesake.

During the early decades of the 20th century, European automakers, once steering wheels had replaced centrally positioned steering tillers, tended to place the driver and his steering wheel on the right side of the car regardless of local regulations or conventions concerning which side of the road cars should be driven.

This article about classic and vintage automobiles produced between 1915 and 1930 is a stub.