Mazda 6 Atenza (2015) is 125 mm (4.92 inch) higher, 946 kg (2,086 lbs) lighter and has 17 liters (0.60 ft3) bigger cargo space than Mercedes CL-Class (2020).
Mercedes CL-Class (2020) is 820 mm (32.28 inch) longer and 104 mm (4.09 inch) wider than Mazda 6 Atenza (2015).