Audi A7 (2020) is 317 mm (12.48 inch) longer, 18 mm (0.71 inch) wider, 155 kg (342 lbs) lighter and has 185 liters (6.53 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 239 mm (9.41 inch) higher than Audi A7 (2020).