Audi Q7 (2015) is 191 mm (7.52 inch) longer, 130 mm (5.12 inch) wider, 241 mm (9.49 inch) higher and has 519 liters (18.33 ft3) bigger cargo space than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) is 444 kg (979 lbs) lighter than Audi Q7 (2015).