Audi Q5 (2017) is 239 mm (9.41 inch) longer, 85 mm (3.35 inch) wider, 162 mm (6.38 inch) higher and has 129 liters (4.56 ft3) bigger cargo space than Mercedes GLA-Class (2016).
Mercedes GLA-Class (2016) is 340 kg (750 lbs) lighter than Audi Q5 (2017).