Sabtu, 08 Maret 2014

Geneva Show 2014 Highlights: Alfa Romeo 4C Spider Concept

The Alfa Romeo 4C Spider has been unveiled in prototype form at the Geneva motor show sporting a canvas roof and different headlight, wheel and exhaust designs to the coupé. It will go in to production in early 2015.

Alfa says the car’s weight gain has been limited to 60kg over the coupé thanks to the use of a lightweight canvas roof plus carbonfibre rollover hoops, spoilers and windscreen frame. Alfa says it has crafted the aerodynamics of the car to minimise roof-down turbulence.

The new dual-stage central exhaust system uses titanium and carbon tailpipes and has been developed by renowned motorbike racing exhaust manufacturer Akrapovic, which has worked in MotoGP, Superbikes and Motocross. It has an electrically operated valve system that can improve performance and enhance the exhaust note at the push of a button.

The cosmetic changes are notable for focusing on two areas of the coupé that have drawn the most criticism so far. It is not clear, however, if the new carbonfibre clamshell headlights and milled aluminium wheels (shod with bespoke Pirelli tyres) are set for production, or if the changes would also be applied to coupé. The 4C Spider concept's bodywork is finished in three-layer gloss white, which helps emphasis the car’s sculpted shape and resolved surfaces.

The 4C Spider is otherwise identical to the coupé, with power coming from the same four-cylinder, all-aluminium, 1750cc turbocharged petrol engine which drives the rear wheels via a six-speed, dual-dry clutch Alfa TCT transmission. Alfa says 0-62mph takes 4.5sec and top speed is in excess of 155mph – the same as the coupé. Weight distribution also remains 40:60 front-to-rear.

Thanks to: Autocar

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