Audi Q7 (2015) is 322 mm (12.68 inch) longer, 117 mm (4.61 inch) wider, 240 kg (529 lbs) lighter and has 702 liters (24.79 ft3) bigger cargo space than Mercedes G-Class (2015).
Mercedes G-Class (2015) is 217 mm (8.54 inch) higher than Audi Q7 (2015).