Audi A4 Allroad (2019) is 94 mm (3.70 inch) longer, 445 kg (981 lbs) lighter and has 155 liters (5.47 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 48 mm (1.89 inch) wider and 166 mm (6.54 inch) higher than Audi A4 Allroad (2019).