Audi A6 (2016) is 295 mm (11.61 inch) longer, 48 mm (1.89 inch) wider, 66 mm (2.60 inch) higher and has 49 liters (1.73 ft3) bigger cargo space than BMW 4 Series Gran Coupe (2018).
BMW 4 Series Gran Coupe (2018) is 128 kg (282 lbs) lighter than Audi A6 (2016).
