Audi A7 Sportback (2017) is 210 mm (8.27 inch) longer, 44 mm (1.73 inch) wider, 765 kg (1,687 lbs) lighter and has 48 liters (1.70 ft3) bigger cargo space than Mercedes G-Class (2014).
Mercedes G-Class (2014) is 534 mm (21.02 inch) higher than Audi A7 Sportback (2017).