the austin a40 somerset is an automobile which was produced by the austin motor company from 1952 until 1954. the somerset replaced the austin a40 devon and, as a body-on-frame car, it was comparable in size to its predecessor. it shared a number of components with the devon which included a similar 1.2 litre straight-4 pushrod engine. the somerset's engine was updated to produce 42 hp (31 kw), compared to the devon's 40 hp (30 kw), giving the car a top speed of .