Audi A6 Allroad (2015) is 176 mm (6.93 inch) longer, 31 mm (1.22 inch) wider, 650 kg (1,433 lbs) lighter and has 78 liters (2.75 ft3) bigger cargo space than Mercedes G-Class (2017).
Mercedes G-Class (2017) is 493 mm (19.41 inch) higher than Audi A6 Allroad (2015).