Mercedes S-Class (2017) is 231 mm (9.09 inch) longer, 73 mm (2.87 inch) higher and has 55 liters (1.94 ft3) bigger cargo space than Porsche Panamera (2016).
Porsche Panamera (2016) is 31 mm (1.22 inch) wider and 331 kg (730 lbs) lighter than Mercedes S-Class (2017).