These two Maserati GranTurismo Convertible models are two modifications of the same model with one major difference, the modifications. First of all, the 2016 Maserati GranTurismo Convertible is priced $15,330 lower compared to the base MSRP of the 2016 Maserati GranTurismo Convertible MC. Also, the 2016 GranTurismo Convertible MC has a more powerful engine than the 2016 GranTurismo Convertible. Among similarities are the body structure, market segment, fuel economy, ground shadow size, height, and maximum occupancy.