Audi A7 (2019) is 78 mm (3.07 inch) longer and 54 mm (2.13 inch) wider than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) is 76 mm (2.99 inch) higher, 34 kg (75 lbs) lighter and has 135 liters (4.77 ft3) bigger cargo space than Audi A7 (2019).