The Sunbeam Tiger was a series of performance roadsters introduced in 1964. The Tiger was designed in part by Carroll Shelby, and mirrored the V8 lightweight roadster formula made famous by the Shelby Cobra. The Sunbeam Alpine based Tiger was produced in two official generations, Mk I (1964-1967) and Mk II (1967), and was commonly used as a Race Car. As the Tiger was based on the Alpine, when the Series V Alpine was introduced in 1965, the Tiger also received updated bodywork. These updated cars are commonly referred to as the Mk IA by enthusiasts. Production of the Sunbeam Tiger ended in 1967 when Chrysler completed their takeover of Sunbeam's parent company, Rootes Group. As Chrysler did not have an adequate V8 engine to replace the Ford V8s previously used by the Tiger, the model was discontinued.