Maserati GranTurismo (2015) is 16 mm (0.63 inch) wider and 265 kg (584 lbs) lighter than Mercedes S-Class (2018).
Mercedes S-Class (2018) is 312 mm (12.28 inch) longer, 144 mm (5.67 inch) higher and has 239 liters (8.44 ft3) bigger cargo space than Maserati GranTurismo (2015).