Its new shape followed the lines of the other Austin cars introduced the previous autumn and it was remarkable for having a completely flat floor in both front and rear passenger compartments with exceptionally wide doors and draught-free ventilation.

The engine and gearbox unit had four live rubber mountings and the silencer and exhaust pipe were similarly insulated.

The frame was rigidly cross braced with the deep side members dropped in order to give a low body mounting.

Where the cross bracings ran into the side members they were welded to form a box section which gave stiffness.

The 1938 season engine benefited from higher compression, bigger valves and an aluminium cylinder head with thermostat fitted.

Borg and Beck dry plate clutch and 2 piece propshaft, supported in a central rubber-mounted bearing.

[1] The low periodicity half-elliptical springs were zinc interleaved with oilite self-lubrication discs at the end of the main leaves.