BMW 5 Series (2015) is 361 mm (14.21 inch) longer, 174 mm (6.85 inch) higher and has 210 liters (7.42 ft3) bigger cargo space than Mercedes AMG GT (2019).
Mercedes AMG GT (2019) is 80 mm (3.15 inch) wider and 195 kg (430 lbs) lighter than BMW 5 Series (2015).