The Standard Six was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 automobile

Automobile

An automobile, autocar, motor car or car is a wheeled motor vehicle used for transporting passengers, which also carries its own engine or motor...

 manufactured in St. Louis, Missouri

St. Louis, Missouri

St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...

 by the St. Louis Car Company

St. Louis Car Company

The St. Louis Car Company was a major United States manufacturer of railroad passenger cars, streetcars, trolleybuses and locomotives that existed from 1887–1973, based in St. Louis, Missouri.-History:...

 from 1909 until 1910. The company initially built Mors

Mors (automobile)

The Mors automobile factory was an early French car manufacturer. It was one of the first to take part in automobile racing, beginning in 1897, due to the belief of the company founder, Émile Mors, in racing's technical and promotional benefits...

 cars under license as the "American Mors", beginning in 1906; it turned out an overhead valve

Overhead valve

An overhead valve engine, also informally called pushrod engine or I-head engine, is a type of piston engine that places the camshaft within the cylinder block , and uses pushrods or rods to actuate rocker arms above the cylinder...

 50hp six of 6965 cc under its own name.

An unrelated company called the Standard Motor Company

Standard Motor Company

The Standard Motor Company was founded in Coventry, England in 1903 by Reginald Walter Maudslay . The Standard name was last used in Britain in 1963, and in India in 1987.-1903–1914:...

 in Coventry, England also produced automobiles using the "Standard" name.