Audi Q7 (2019) is 642 mm (25.28 inch) longer, 135 mm (5.31 inch) wider, 129 mm (5.08 inch) higher and has 575 liters (20.31 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 497 kg (1,096 lbs) lighter than Audi Q7 (2019).