Audi A5 (2019) is 263 mm (10.35 inch) longer, 12 mm (0.47 inch) wider, 63 kg (139 lbs) lighter and has 30 liters (1.06 ft3) bigger cargo space than Mercedes GLA-Class (2020).
Mercedes GLA-Class (2020) is 240 mm (9.45 inch) higher than Audi A5 (2019).