Fuel injection
To compete with Volkswagen's Golf GTI, a hot hatch version of the Mark III was developed – the XR3. Initially this featured a tuned version of the 1.6 L CVH engine fitted with a twin-choke Weber carburettor, uprated suspension and numerous cosmetic alterations. It lacked a five-speed transmission and fuel injection. Fuel injection finally arrived in October 1982 (creating the XR3i), eight months behind the limited edition (8,659 examples), racetrack-influenced RS 1600i. The Cologne-developed RS received a more powerful engine with , thanks to computerized ignition and a modified head as well as the fuel injection.