Audi Q7 (2014) is 207 mm (8.15 inch) longer, 146 mm (5.75 inch) wider, 294 mm (11.57 inch) higher and has 649 liters (22.92 ft3) bigger cargo space than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 475 kg (1,047 lbs) lighter than Audi Q7 (2014).