BMW 5 Series Gran Turismo (2017) is 81 mm (3.19 inch) higher than BMW 7 Series (2018).
BMW 7 Series (2018) is 94 mm (3.70 inch) longer, 1 mm (0.04 inch) wider, 55 kg (121 lbs) lighter and has 14 liters (0.49 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2017).