The Austin 20 was a car produced between 1932 and 1938.

Beginning in 1932, the Pullman was offered with the 3377 cc six-cylinder in-line engine. The cars had a top speed of 112 km/h.

The cars were 4978 mm long, 1778 mm wide and weighed 1880 kg when empty. They had a wheelbase of 3454 mm.

In 1938 the production of the Austin 20 was ceased. The Austin 28 are was the successor to the 20.