Audi A7 (2020) is 11 mm (0.43 inch) wider, 6 mm (0.24 inch) higher, 5 kg (11 lbs) lighter and has 135 liters (4.77 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 53 mm (2.09 inch) longer than Audi A7 (2020).