Cadillac CT6 (2016) is 87 mm (3.43 inch) longer, 8 mm (0.31 inch) wider, 54 mm (2.13 inch) higher and 566 kg (1,248 lbs) lighter than Mercedes CL-Class (2020).
Mercedes CL-Class (2020) has 57 liters (2.01 ft3) bigger cargo space than Cadillac CT6 (2016).