The Riley 17 was the first car with a four-cylinder engine made by Riley. The model was introduced in 1914, being the top model.
The car had a 2932 cc four-cylinder engine with lateral vertical valves and water cooling. The engine produced an impressive 58 bhp (43 kW). The chassis had a length of 3,200 mm, the body was 4420 mm long and 1727 mm wide. The curb weight was 1,372 kg. This vehicle, like all Rileys had detachable wire wheels.
Production was stopped due to the outbreak of war. In 1918 the production was resumed and continued until 1923.