Audi Q7 (2016) is 173 mm (6.81 inch) longer, 342 mm (13.46 inch) higher and has 470 liters (16.60 ft3) bigger cargo space than Mercedes E-Class (2017).
Mercedes E-Class (2017) is 102 mm (4.02 inch) wider and 237 kg (522 lbs) lighter than Audi Q7 (2016).