Mazda 6 Atenza (2018) is 128 mm (5.04 inch) higher, 657 kg (1,448 lbs) lighter and has 121 liters (4.27 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 751 mm (29.57 inch) longer and 129 mm (5.08 inch) wider than Mazda 6 Atenza (2018).