Alfa Romeo 4C production car unveiled Two years after the Alfa Romeo 4C made its debut at the 2011 Geneva motor show, the production version will be unveiled at the 2013 event. As expected, the production model looks all but identical to the show car: minor changes to the headlights and air intakes, and re-positioned door mirrors, are the only noticeable changes. The 4C is based around a carbon-fibre chassis, and gets a new all-alumninium turbocharged 1.8-litre petrol engine that develops 296bhp. Drive is to the rear wheels, through a "TCT" twin-clutch transmission. Alfa is yet to release prices for the 4C, but it's expected to cost around £40,000 when it goes on sale later this year.