Audi Q8 (2018) is 120 mm (4.72 inch) longer, 311 mm (12.24 inch) higher and has 324 liters (11.44 ft3) bigger cargo space than Mercedes E-Class (2020).
Mercedes E-Class (2020) is 72 mm (2.83 inch) wider and 352 kg (776 lbs) lighter than Audi Q8 (2018).