Diatto was an Italian manufacturer of cars.

Company History

The company SA Autocostruzioni Diatto began in 1906 in Turin with the production of automobiles. 1927 production ended.

Rolling stock

The first models 10/12 HP with a two-cylinder engine, 14/ 18 hp four-cylinder engine with 2724 cc and 20/ 25 hp four-cylinder engine with 3770 cc that existed until 1909, caused by a license from Clément- Bayard. From 1909 's models were developed with four-cylinder engines. 1909 published 18/20 HP 20/25 HP 30/40 HP and the small 12/15 HP, also marketed as Frejus, with initially 2000 cm ³ displacement, later 2400 cc. 1910 was the 28/35 HP to it.

Diatto 1916 came into contact with Ettore Bugatti and acquired a license to build aircraft engines with 8 cylinders in line; However, mass production did not materialize. After the First World War began in 1919 with the production of 15 copies of the Tipo 30 ( Bugatti ), also according to a license from Bugatti, whose engine of 1453 cc gave 30 hp and was based on the Bugatti Type 13 " Brescia ". During this time the company logo changed to a lying, red deposited oval, which reminded both that of Deutz like Bugatti. Then Diatto worked with Maserati licenses. 1920 appeared the models 20/25 HP with 2714 cc and 25 hp and the little 10 HP with 1020 cc and 18 hp. 1922 came the models Tipo 20 and Tipo 20 S with two-liter engines on the market, in 1924 came the 30 HP to it. 1926 published the 35 HP with 2960 cc and 55 hp and the Tipo 26 ³ 2535 cm displacement and 48 hp.

A car of this brand is on display at the Museo Carlo dell'Automobile Biscaretti di Ruffia in Turin.


At the Geneva Motor Show 2007, the design studio Zagato presented two sports car prototype called Diatto GT Ottovu. The vehicles have an aluminum car body and of Roush Ford V8 engines of 4.6 liters capacity with about 500 hp ( 368 kW) driven. This should be reminded of the brand and the model Diatto Diatto 254DS, for Ugo Zagato had in 1921 made ​​a light and aerodynamic design.