The Wolseley 16/20 was a car of the middle class introduced in 1910 by Wolseley as a successor to the Wolseley 16.

The cars had a 4-cylinder engine with a 3080 cc capacity and water cooling. The car was built on a chassis of either 2946 mm or 3150 mm. The various bodies were 4,521 mm long and 1,676 mm wide.

In 1915, the production was stopped due to the outbreak of war and resumed in 1919.