Audi Q7 (2015) is 540 mm (21.26 inch) longer, 45 mm (1.77 inch) wider, 448 mm (17.64 inch) higher and has 839 liters (29.63 ft3) bigger cargo space than Mercedes AMG GT (2020).
Mercedes AMG GT (2020) is 710 kg (1,565 lbs) lighter than Audi Q7 (2015).