Audi Q5 (2017) is 253 mm (9.96 inch) longer, 55 mm (2.17 inch) wider, 45 mm (1.77 inch) higher and has 115 liters (4.06 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 172 kg (379 lbs) lighter than Audi Q5 (2017).