BMW 5 Series (2019) is 397 mm (15.63 inch) longer, 210 mm (8.27 inch) higher and has 219 liters (7.73 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 72 mm (2.83 inch) wider and 70 kg (154 lbs) lighter than BMW 5 Series (2019).