BMW 5 Series Gran Turismo (2018) is 1 mm (0.04 inch) higher, 316 kg (697 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than BMW 7 Series (2020).
BMW 7 Series (2020) is 177 mm (6.97 inch) longer and 35 mm (1.38 inch) wider than BMW 5 Series Gran Turismo (2018).