Cadillac CT6 (2020) is 935 mm (36.81 inch) longer, 100 mm (3.94 inch) wider, 40 mm (1.57 inch) higher and has 106 liters (3.74 ft3) bigger cargo space than Mercedes A-Class (2014).
Mercedes A-Class (2014) is 499 kg (1,100 lbs) lighter than Cadillac CT6 (2020).