Racetrack successes undoubtedly encouraged Morgan sales but by the early 1930s increasing competition from cheap light cars prompted the introduction of more refined version: the F4 powered by the 8hp Ford Model Y's 933cc four-cylinder engine complete with three-speed gearbox, electric starter and dynamo.

For the F4 the v-twins' traditional tubular chassis was abandoned and in its place was a pressed-steel, 'Z'-section frame, the engine acting as a stressed element, with the customary sliding-pillar independent suspension at the front.

Girling brakes were adopted and in a departure from Morgan tradition all three were operated by the foot pedal, with the handbrake operating on the rear wheel.

The body was similar to that of the twin-cylinder 'Family' model, but although marketed as a four-seater the F4 was really a '2+2', the rear seats being suitable only for children.

The four-seat F4 was soon joined by the two-seat F2, while towards the end of the 1930s Ford's 10hp 1,172cc E93A ...