Maserati GranTurismo (2017) is 18 mm (0.71 inch) wider and 70 kg (154 lbs) lighter than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 93 mm (3.66 inch) longer, 68 mm (2.68 inch) higher and has 139 liters (4.91 ft3) bigger cargo space than Maserati GranTurismo (2017).