Audi A4 Allroad (2014) is 174 mm (6.85 inch) longer, 206 mm (8.11 inch) higher and has 140 liters (4.94 ft3) bigger cargo space than Mercedes AMG GT (2016).
Mercedes AMG GT (2016) is 98 mm (3.86 inch) wider and 45 kg (99 lbs) lighter than Audi A4 Allroad (2014).