Audi A7 (2016) is 13 mm (0.51 inch) wider, 6 mm (0.24 inch) higher, 45 kg (99 lbs) lighter and has 135 liters (4.77 ft3) bigger cargo space than Mercedes S-Class Coupe (2017).
Mercedes S-Class Coupe (2017) is 58 mm (2.28 inch) longer than Audi A7 (2016).