Lexus IS (2016) is 16 mm (0.63 inch) higher and 295 kg (650 lbs) lighter than Mercedes S-Class Coupe (2016).
Mercedes S-Class Coupe (2016) is 360 mm (14.17 inch) longer, 86 mm (3.39 inch) wider and has 9 liters (0.32 ft3) bigger cargo space than Lexus IS (2016).