Audi S7 (2018) is 342 mm (13.46 inch) longer, 82 mm (3.23 inch) wider, 33 mm (1.30 inch) higher and has 54 liters (1.91 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2017).
BMW 4 Series Gran Coupe (2017) is 228 kg (503 lbs) lighter than Audi S7 (2018).
