Chevrolet Impala (2019) is 567 mm (22.32 inch) longer, 207 mm (8.15 inch) higher and has 183 liters (6.46 ft3) bigger cargo space than Mercedes AMG GT (2020).
Mercedes AMG GT (2020) is 85 mm (3.35 inch) wider and 79 kg (174 lbs) lighter than Chevrolet Impala (2019).