Audi S7 (2020) is 563 mm (22.17 inch) longer, 107 mm (4.21 inch) wider and has 114 liters (4.03 ft3) bigger cargo space than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 72 mm (2.83 inch) higher and 560 kg (1,235 lbs) lighter than Audi S7 (2020).