Mazda 6 Atenza (2020) is 77 mm (3.03 inch) higher, 679 kg (1,497 lbs) lighter and has 21 liters (0.74 ft3) bigger cargo space than Mercedes S-Class (2020).
Mercedes S-Class (2020) is 851 mm (33.50 inch) longer and 103 mm (4.06 inch) wider than Mazda 6 Atenza (2020).