Cadillac XT4 (2021) is 53 mm (2.09 inch) longer, 9 mm (0.35 inch) wider, 316 mm (12.44 inch) higher and has 287 liters (10.14 ft3) bigger cargo space than Mercedes AMG GT (2020).
Mercedes AMG GT (2020) is 15 kg (33 lbs) lighter than Cadillac XT4 (2021).