Audi Q7 (2014) is 98 mm (3.86 inch) wider, 198 mm (7.80 inch) higher and has 580 liters (20.48 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).
BMW 6 Series Gran Turismo (2018) is 4 mm (0.16 inch) longer and 560 kg (1,235 lbs) lighter than Audi Q7 (2014).