Announced in September 1937 for the Earls Court Motor Show[2] it became one of the two genuine Riley models in the rationalised range that followed the 1938 takeover by the Nuffield Organization.

It had a 2443cc straight-four engine with twin cams and S.U carburettor which developed 82 bhp (61 kW).

[3] Michael Sedgwick described this long-stroke four as a first-class tourer in the Riley tradition, Britain's largest four since the 4½-lire Bentley ended production in 1931.

Its chassi, he said, was regular Riley - beam axles and Girling brakes - fitted with Borg-Warner overdrive as standard.

Good value for money; it survived into Riley's Nuffield-owned era but with disc wheels, umbrella handbrake lever and ordinary synchromesh gearboxes, (Nuffield) ".