Start with what the Fiat 525 is: a 4-door sedan / 2/4-door cabriolet / 2-door spider with 3739 cc straight-6, built from 1928 to 1931, the vintage years, when coachbuilders still shaped most of what was sold. What it meant takes a little longer. 4,416 were built.
Where it came from
The Fiat 525 is a passenger car produced by Italian automobile manufacturer Fiat between 1928 and 1931. The 525 was a larger successor to the Fiat 512. The 525 was modified a year after it began production and renamed the 525N. A sport variant, the 525SS, had a more powerful engine and a shorter chassis. Fiat produced 4,400 525's.
Under the skin
The engine is 3739 cc straight-6. On the scales it comes to 1450 kg-1900 kg. Drive goes through a 4-speed manual. The layout matters: a front engine drives the rear wheels, the classic proportion — long bonnet, cabin set back — that most people picture when they picture a sports saloon or a grand tourer. The wheelbase is 300 cm (525 SS) / 326 cm (525 N) / 340 cm (525). These are manufacturer figures carried by Wikipedia and Wikidata, not road-test measurements.
In context
In the Fiat line-up the Fiat 525 has a clear place: it replaced the Fiat 512 / Fiat 519; it handed the line to the Fiat 524. The cars a buyer would have weighed it against include the DKW Typ P, the Lancia Dilambda, the Opel Regent. Nearby in the Fiat catalogue sit the FIAT 702 and the Fiat 1.
Owning one today
MotorJury scores cars on the United States complaint and recall record, and the Fiat 525 has none: too old, too rare, or never sold there. Its value today is a collector's question, decided by provenance and condition rather than by a class average.