Mazda 6 (2018) is 36 mm (1.42 inch) higher, 393 kg (866 lbs) lighter and has 80 liters (2.83 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 131 mm (5.16 inch) longer and 58 mm (2.28 inch) wider than Mazda 6 (2018).