Maserati GranTurismo test mule spied at the 'Ring

Maserati has made the trek to the 'Ring with a rather suspicious-looking Maserati GranTurismo prototype which at first glance looks no different to the current production version.
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You would be forgiven for thinking this was just a neglected track car for some affluent businessman, although it seems the Devil is in the details with this particular prototype sporting a raft of subtle changes over the standard model.

The prototype features a new chin spoiler tacked on to the standard car's front fascia while a larger lip spoiler sits on the rear trunk with both pieces finished in carbon fibre.

The rear is a shamble of dents, scratches and rough cutouts for the newly located twin exhaust pipes while black panels have been pop-riveted into place to cover the old exhaust outlets.

All these changes point to a new performance flagship for the Maserati GranTurismo which could perhaps sport a new engine likely borrowed from the Ferrari California.