BMW 7 Series (2020) is 574 mm (22.60 inch) longer, 178 mm (7.01 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Mercedes AMG GT (2017).
Mercedes AMG GT (2017) is 37 mm (1.46 inch) wider and 370 kg (816 lbs) lighter than BMW 7 Series (2020).