Alfa RomeoAlfa RomeoItaly, 1910 > present108 models
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7 videos
reconfirmed its commitment to the US market by deciding to unveil the production version of the 4C SpiderAlfa Romeo 4C SpiderItaly, 2015 > present at the Detroit Motor Show. The convertible variant hits the market without any significant changes compared to the conceptAlfa Romeo 4C SpiderItaly, 2014 > 2014 unveiled last year in Geneva.

The big difference between the 4CAlfa Romeo 4CItaly, 2013 > present1055 photos
and 4C Spider is the retractable roof, which will initially be in fabric. However, a carbon fiber hardtop option will be available from mid-2015.

The 4C Spider also received a carbon fiber panel which covers the rollover bar placed at the back of the cabin, single lens headlights and a new range of 17-inch and 18-inch wheels, front and rear respectively.

While retaining the same look of the coupe version, the 4C Spider saw its drag coefficient increase from 0.33 to 00.34 because of the new roof installation. Still Alfa Romeo managed to only increase weight by 10kg (1128kg). According to the brand the glass of the windshield and side windows is 10% thinner than the 4C.

The new 4C Spider will be powered by the same mid-engine turbo four-cylinder 1.7-liter of the 4C. Combined with the six-speed TCT dual-clutch transmission the engine offers 237hp of output and 350Nm of torque. This box allows driving in four distinct modes: All Weather, Natural, Dynamic and Race. In Race mode the 4C Spider can reach 100km/h in about 4.1 seconds.

Like the 4C, the Alfa Romeo 4C Spider will be produced in Maserati'sMaseratiItaly, 1914 > present62 models
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production plant in Modena. Although it hasn't been revealed officially, the volume of production should be around 3500 units per year.