Cadillac CT4 (2020) is 8 mm (0.31 inch) higher and 380 kg (838 lbs) lighter than Mercedes S-Class Coupe (2016).
Mercedes S-Class Coupe (2016) is 271 mm (10.67 inch) longer, 83 mm (3.27 inch) wider and has 97 liters (3.43 ft3) bigger cargo space than Cadillac CT4 (2020).