Mazda 6 Atenza (2014) is 128 mm (5.04 inch) higher, 676 kg (1,490 lbs) lighter and has 107 liters (3.78 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 (2014).