Cadillac CT6 (2019) is 337 kg (743 lbs) lighter than Mercedes S-Class (2019).
Mercedes S-Class (2019) is 18 mm (0.71 inch) longer, 19 mm (0.75 inch) wider, 17 mm (0.67 inch) higher and has 53 liters (1.87 ft3) bigger cargo space than Cadillac CT6 (2019).