Kia Cadenza (2015) is 62 mm (2.44 inch) higher, 285 kg (628 lbs) lighter and has 50 liters (1.77 ft3) bigger cargo space than Mercedes S-Class Coupe (2020).
Mercedes S-Class Coupe (2020) is 55 mm (2.17 inch) longer and 48 mm (1.89 inch) wider than Kia Cadenza (2015).