BMW 6 Series Gran Turismo (2018) is 660 kg (1,455 lbs) lighter than BMW X7 (2018).
BMW X7 (2018) is 61 mm (2.40 inch) longer, 98 mm (3.86 inch) wider, 266 mm (10.47 inch) higher and has 141 liters (4.98 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).