The Ensign was announced in September 1957. This car had a smaller bore giving a capacity of 1,670cc and used the TR3 four-speed gearbox. The Ensign can be considered as an economy version of the Vanguard.

In 1959 to 60 Standard made just over 3,200 Ensigns with Vanguard Engines (2088cc). These were predominently exported to Canada or supplied to the RAF.

Commission Numbers.

EN1 to 4661, EN10001 to 17862 and EN25001 to 26044.

Ensigns with Vanguard engines.

ENV1 to 2897 and ENV10001 to 10338.