Audi A4 Allroad (2015) is 64 mm (2.52 inch) longer, 410 kg (904 lbs) lighter and has 140 liters (4.94 ft3) bigger cargo space than Mercedes GLC-Class (2016).
Mercedes GLC-Class (2016) is 49 mm (1.93 inch) wider and 164 mm (6.46 inch) higher than Audi A4 Allroad (2015).