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Two new editions of the Maserati GranTurismo make their world debuts at New York. Maserati's GranTurismo MC is the fastest production Maserati available in North America, with a top speed of 185 mph and a 0-60 time of just 4.8 seconds. The Maserati GranTurismo Convertible Sport is a more performance-oriented version of the GranTurismo Convertible.
Source: Maserati GranTurismo MC and GranTurismo Convertible Sport: 2011 New York Auto Show (http://www.insideline.com:80/maserati/gran-turismo/maserati-granturismo-mc-and-granturismo-convertible-sport-2011-new-york-auto-show.html)