BMW 7 Series (2016) is 552 mm (21.73 inch) longer, 189 mm (7.44 inch) higher and has 165 liters (5.83 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 37 mm (1.46 inch) wider and 155 kg (342 lbs) lighter than BMW 7 Series (2016).