Cadillac CT6 (2018) is 482 kg (1,063 lbs) lighter than Mercedes S-Class (2017).
Mercedes S-Class (2017) is 61 mm (2.40 inch) longer, 19 mm (0.75 inch) wider, 17 mm (0.67 inch) higher and has 67 liters (2.37 ft3) bigger cargo space than Cadillac CT6 (2018).