The 11.6 was a car produced by Standard from 1920 to 1924.
The model had an in-line four-cylinder engine that has overhead valves. The displacement was 1,598cc (with the bore 68mm and being stroke 110mm). The body available was a torpedo.
The 11.6 was the first car to have an engine with overhead valves. In 1927, they were temporarily abandoned in favor of side valves. Standard installed engines with side-valves until 1947, when they returned to fit overhead-valve engines.